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Intan Novindriyani; Purwatiningsih

Jurnal Manajemen Kewirausahaan dan Teknologi 2025 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

This study aims to examine the influence of Work Life Balance (WLB) and Leadership Style on Employee Performance at the Directorate General of Military Courts and Administrative Courts of the Supreme Court of the Republic of Indonesia. The background of this research is based on the importance of balancing work and personal life, as well as the role of effective leadership in improving the performance of government agency employees. This research uses a quantitative method with an associative approach. The sample of this study consists of the entire population of 94 employees using saturated sampling technique. Data was collected through questionnaires and analyzed using SPSS, including validity and reliability tests, multiple linear regression, t-test, F-test, and coefficient of determination. The results show that Work Life Balance has a positive and significant impact on Employee Performance, indicating that a balance between work and personal life positively affects job productivity and satisfaction. Leadership Style also has a positive and significant impact on Employee Performance, where good leadership can motivate and facilitate employees in achieving organizational goals. Simultaneously, both variables significantly influence employee performance in the organization. This study provides important implications for organizational management, suggesting that implementing a good Work Life Balance and an appropriate leadership style can optimally improve employee performance.

Aqsal Faiz Al Hayy; Anita Oktaviana Trisna Devi; Erna Indriastiningsih

Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika 2025 Asosiasi Riset Ilmu Teknik Indonesia

Work fatigue is a significant issue faced by employees in Indonesia, with approximately 65% experiencing symptoms that reduce their concentration and performance. Excessive workload, particularly mental workload, can result in cognitive strain and decreased productivity. This study aims to measure the level of mental workload experienced by quality control employees at PT Delta Dunia Tekstil I using the NASA Task Load Index (NASA-TLX) method. The research also investigates the relationship between employees’ age, length of service, and perceived mental workload through T-tests and F-tests to provide a more comprehensive analysis. Data were collected from 20 quality control employees who are responsible for monitoring textile production under strict standards. Results from NASA-TLX calculations indicate that the average mental workload falls within the high category, with effort and own performance emerging as the dominant dimensions contributing to mental strain. Correlation analysis shows a negative but not statistically significant relationship between age, length of service, and mental workload, suggesting that other factors play a stronger role in shaping employees’ perceptions. The study further highlights fluctuations in employee attendance and quality performance indicators, emphasizing the importance of workload evaluation. To address these issues, recommendations include adding more operators per machine, which is projected to reduce mental workload scores by approximately 33%. Such measures can optimize task distribution, improve efficiency, and promote employee well-being. Overall, the findings suggest that systematic workload assessments using tools such as NASA-TLX are essential for enhancing productivity and supporting sustainable human resource management in the textile industry.

Ekawati Saputri; Evodius Nasus; Rosani Naim; Grace Tedy Tulak

Bumi: Jurnal Hasil Kegiatan Sosialisasi Pengabdian kepada Masyarakat 2025 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Water is an essential component in the body that plays a role in various physiological functions, including concentration and learning performance in adolescents. However, teenagers' awareness to consume enough water is still low. This service activity aims to increase the knowledge and awareness of SMP Negeri 1 Kolaka students about the importance of drinking water through health education. The activity method was carried out by interactive counseling using PowerPoint media displayed through an LCD projector and conducted in the school hall on 19 November 2024, attended by 70 students from classes VII to IX. The material was delivered in an engaging manner and was complemented by discussion sessions. The results of the activity showed an increase in student enthusiasm and participation, as well as an awareness to start bringing drinking water to school and reduce the consumption of sugary drinks. This activity proved effective in fostering students' understanding of the importance of adequate hydration for health. The students expressed a greater willingness to incorporate healthier habits, particularly bringing water to school and making informed choices about hydration. Moreover, they became more aware of the negative impacts of sugary drinks. The activity's success highlights the importance of continued support from schools to create a healthy learning environment and to encourage healthy behaviors that can positively impact students' overall health and academic performance.

Andriyani Andriyani; Adriza Adriza; Hadi Mulyo Wibowo

Jurnal Riset Rumpun Ilmu Teknik 2025 Pusat riset dan Inovasi Nasional

This study aims to determine the effect of the implementation of Occupational Safety and Health on employee performance at PT. Taiyo Sinar Raya Teknik Bekasi. Occupational Safety and Health is one of the important factors in creating a safe, comfortable work environment that supports employee productivity. The method used in this study is a quantitative method with a descriptive and verification approach. Data were obtained by distributing questionnaires to respondents who were employees of PT. Taiyo Sinar Raya Teknik. The results of the study showed that the implementation of K3 was in the good category with an average score of 4.02. Employee performance was also in the good category with an average score of 3.97. Based on the results of statistical analysis, it is known that the implementation of K3 has a positive and significant effect on employee performance with a contribution of 64.1%, while the remaining 35.9% is influenced by other variables outside this study. Thus, it can be concluded that the better the implementation of K3 in the company, the higher the employee performance. Therefore, the company needs to continue to improve the implementation of the K3 program and pay attention to other factors that influence performance so that productivity and work safety can be improved sustainably.

Wisnu Andika Dio Putra; Indah Yuni Astuti; Iing Sri Hardiningrum

Jurnal Bisnis Kreatif dan Inovatif 2025 Asosiasi Riset Ilmu Manajemen dan Bisnis Indonesia

Companies face a variety of human resources with varying characteristics and abilities, which significantly impact employee performance. The influence of work culture, work morale, and employee performance, including variables such as discipline, mutual respect, individual passion, team spirit, quality, punctuality, workers, salary, promotions, supervision, and coworkers, is crucial in determining how significantly they influence employee job satisfaction at PT RJN. By understanding this relationship, the director or leader of PT RJN can predict employee responses to job satisfaction, maintain it, and improve it so employees feel more comfortable and at ease in their work. The sampling technique in this study used a saturated sampling method, a non-probability sampling method. This research employed a quantitative approach with a concrete data processing methodology. The population consisted of 40 employees in the production, administration, marketing, and distribution departments. The sample used in this study was derived from primary data obtained from 40 respondents from the production department who were still actively working at PT RJN. Data were obtained through questionnaires and observations. From the results of the analysis that has been done, based on the results of partial testing, the job satisfaction of PT RJN employees is positively and significantly influenced by the variables of work culture, work spirit, and employee performance. Based on the results of simultaneous testing, the job satisfaction of PT RJN employees is significantly influenced by the variables of work culture, work spirit, and performance characteristics. significantly influence employee job satisfaction. This is known from the correlation analysis as follows: r value = 0.377 or 37.7% and then the remaining 62.3% comes from various factors outside this concentration and is influenced by other variables not examined in this study.

Rara Zumna Septianingrum; Indah Listyani; Rike Kusuma Wardhani

Jurnal Bisnis Kreatif dan Inovatif 2025 Asosiasi Riset Ilmu Manajemen dan Bisnis Indonesia

Employee performance is the result of the work carried out by the employee to fulfill their duties and responsibilities in accordance with the discipline entrusted to them. This research aims to determine and analyze organizational culture, salary, and employee welfare on the performance of employees at the BPBD of Nganjuk Regency. The method used is a quantitative approach with causal research, which is capable of explaining the cause-and-effect relationship between variables. Research data was obtained through the distribution of questionnaires to 50 respondents who are employees of the BPBD of Nganjuk Regency. To ensure data quality, a series of tests were conducted including validity tests, reliability tests, classical assumption tests, multiple linear regression, t-tests, F-tests, and the coefficient of determination (R2) which were processed using SPSS version 25. The research results show that organizational culture has a significant influence on employee performance, indicating that the stronger the applied organizational culture, the better the resulting employee performance will be. Salary also proves to significantly affect employee performance, which shows that providing a decent salary in accordance with job responsibilities can enhance the resulting employee performance. Likewise, employee welfare significantly influences employee performance, indicating that employee welfare, both physically and psychologically, can improve the resulting employee performance. Simultaneously, these three variables have an effect on employee performance. The coefficient of determination value of 0.693 indicates that 69.3% of the influence on the employee performance variable comes from company culture, salary, and employee welfare, while 30.7% comes from other external factors

Furqoni, Hafith

Botani : Publikasi Ilmu Tanaman dan Agribisnis 2025 Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Sweet corn (Zea mays L. saccharata) is a high-value horticultural crop whose productivity is closely linked to effective nutrient management, particularly the balanced application of macronutrients—nitrogen (N), phosphorus (P), and potassium (K). This study evaluates the agronomic and economic impacts of applying NPK compound fertilizer at varying doses (0.5×, 0.75×, 1.0×, 1.25×, and 1.5× the recommended rate) on sweet corn growth and yield performance. Field experiments demonstrated that NPK application significantly enhanced vegetative growth parameters, including plant height, leaf number, and stem diameter, with improvements ranging from 15.8% to 37.3% over the unfertilized control. Yield components such as ear length, husked ear weight, and dehusked ear weight also showed marked increases, resulting in higher total yields per plot and per hectare. Among the treatments, the 1.25× dose achieved the highest relative agronomic effectiveness (RAE) at 147%, indicating superior nutrient utilization and biomass conversion. However, the 1.0× dose yielded the most favorable economic outcome, generating a net profit of Rp. 10,780,200 and an R/C ratio of 1.47, suggesting optimal cost-efficiency. These findings underscore the dual benefits of NPK compound fertilizer in sweet corn cultivation, highlighting that precise dosage not only maximizes agronomic performance but also enhances economic viability. The study recommends adopting the 1.0× dose for balanced productivity and profitability, while the 1.25× dose may be considered in contexts prioritizing yield maximization.

Helda Zerlyfera; Dwi Nurmawaty; Ade Heryana; Rini Handayani

Jurnal Riset Rumpun Ilmu Kesehatan 2025 Pusat riset dan Inovasi Nasional

Work stress is a prevalent and complex phenomenon frequently encountered by inpatient nurses as a result of the intense physical, emotional, and psychological demands inherent in their professional responsibilities. Nurses are required to deliver high-quality care under conditions of time pressure, emotional strain, and patient diversity, which can increase their susceptibility to stress. Individual factors—including age, gender, marital status, years of service, personality type, and self-assessment—play a crucial role in shaping nurses’ capacity to adapt to these pressures and maintain their performance. This study aims to comprehensively describe the influence of individual factors on work stress among inpatient nurses at RSUP Dr. Sitanala in 2025. Employing a quantitative descriptive design with a cross-sectional approach, a total of 34 inpatient nurses were recruited using total sampling. Data were collected using the NIOSH Job Stress Questionnaire, which measures multiple aspects of job-related stress. The results indicate that younger nurses, those with shorter work tenure, and individuals exhibiting type A personality traits are more vulnerable to experiencing high levels of stress compared to their counterparts. These findings underscore that individual characteristics significantly contribute to variations in work stress levels. The study emphasizes the importance of developing responsive human resource management strategies, such as stress management training, mentoring, and supportive work environments, to strengthen resilience and improve nurses’ well-being. By identifying and addressing these individual factors, healthcare organizations can enhance employee retention, promote patient safety, and ensure sustainable quality of care.

Naura Putri Assyifa; Elmira Siska

Riset Ilmu Manajemen Bisnis dan Akuntansi 2025 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

The cosmetic and household goods industry in Indonesia continues to experience growth in line with increasing consumer demand and lifestyle changes. This sector plays an important role in supporting the national economy, but it is also vulnerable to fluctuations in market dynamics, global competition, and external challenges that may affect companies’ financial performance. The performance of these companies can be assessed through financial indicators, particularly profitability and solvency, which are often linked to firm value. This study aims to analyze the effect of profitability and solvency on firm value in the cosmetic and household goods subsector listed on the Indonesia Stock Exchange (IDX) during the period 2019–2023. The research population consists of 11 companies, with 6 companies selected as the sample using purposive sampling techniques based on specific criteria. The data used are secondary data derived from financial statements obtained from the official IDX website (www.idx.co.id). The analytical method applied is quantitative with several statistical tests, including classical assumption tests, multiple linear regression, t-test, and F-test, assisted by SPSS version 22. The research findings indicate that profitability, proxied by Return on Assets (ROA), has a positive and significant partial effect on firm value (t-value 3.132 > t-table 2.04841). Solvency, proxied by the Debt to Equity Ratio (DER), also shows a positive and significant partial effect on firm value (t-value 5.810 > t-table 2.04841). Moreover, both profitability and solvency simultaneously have a positive and significant effect on firm value (F-value 86.997 > F-table 3.35). These results suggest that maintaining profitability and managing solvency effectively are key strategies for companies in enhancing firm value in a competitive market environment.

Aditya Cikal Bagakara; Elmira Siska

Jurnal Manajemen Kewirausahaan dan Teknologi 2025 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

This study aims to analyze the influence of work environment and work discipline on employee performance at PT. Miftah Putra Mandiri Group. The main problems faced are the conditions of the work environment that are not conducive and the low level of discipline, which has a negative impact on employee performance. The method used in this study is a quantitative approach with an associative design. The population studied was all employees of PT. Miftah Putra Mandiri Group which totals 53 people, and all employees are used as samples using saturated sampling techniques. Data collection was carried out through the distribution of questionnaires using the Likert scale. The data obtained were analyzed using SPSS version 25, by conducting validity, reliability, classical assumptions, multiple linear regression, t-test, F-test, and determination coefficient. The results of the study show that both work environment variables and work discipline partially or simultaneously have a significant influence on employee performance. The t-test showed a significance value of 0.000 for both variables, which was smaller than 0.05, while the F-test yielded an Fcal value of 66.745 with a significance of 0.000. A determination coefficient (R²) of 0.723 indicates that 72.3% of the variation in employee performance can be explained by both variables. These findings affirm the importance of creating a comfortable work environment and improving work discipline as a key factor in improving employee performance in the company.

Muhammad Fahri Ramadhan Harahap; Elmira Siska

Jurnal Manuhara : Pusat Penelitian Ilmu Manajemen dan Bisnis 2025 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

This research is motivated by the decline in employee performance at PT Tracon Industri which is allegedly caused by weak teamwork and low work motivation. The main objective of this study is to analyze the influence of teamwork and work motivation on employee work performance, both partially and simultaneously. This study uses a quantitative approach with a descriptive method. A total of 53 respondents from the operational division were involved through saturated sample techniques. Data collection was carried out using a questionnaire, then analyzed through validity, reliability, classical assumptions, multiple linear regression, as well as t-test and F-test with the help of SPSS software version 25. The results of the study show that teamwork and work motivation have a positive and significant influence on employee work performance. Partially, teamwork had a tcal value of 4.337 and work motivation of 5.511, both greater than the ttable of 1.674, with a significance value of 0.000 < 0.05. Simultaneously, the two variables contributed 84.3% to work performance. These findings indicate that increased team synergy and work motivation are key factors in driving productivity and achieving organizational goals. Based on these results, companies are advised to strengthen the culture of cooperation and create an effective motivation system to continuously improve work performance and support the company's operational success.

Dewi Kartika Saragih; Elmira Siska

Riset Ilmu Manajemen Bisnis dan Akuntansi 2025 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

This study was conducted at PT Catur Mitra Sejati Sentosa, where high work pressure was observed due to daily production or sales targets that must be achieved within 8 working hours. Employees who fail to meet these targets are not allowed to leave on time, leading to increased workload and work stress. This condition is suspected to significantly affect employee productivity. The aim of this research is to examine the influence of workload and work stress on employee productivity, both partially and simultaneously. The research uses a quantitative approach with a survey method by distributing questionnaires to 51 respondents. Data analysis was carried out using SPSS version 26 through validity and reliability tests, classical assumption tests, multiple linear regression analysis, t-tests, and F-tests. The findings of the study indicate that workload has a significant effect on employee productivity, as does work stress. Both workload and work stress are positively correlated with lower productivity levels. Moreover, when assessed together, both variables also simultaneously influence productivity significantly. This suggests that the company’s high work pressure, driven by unmet targets, contributes directly to reduced work efficiency and increased stress. Therefore, the company needs to manage workload and work stress effectively, ensuring that work expectations are realistic and that employees are given adequate support to meet these expectations. Optimizing these factors can enhance employee productivity, reduce stress, and improve overall company performance.

Azizur Rohman Nasution; Melly Andriana

International Journal of Mechanical, Electrical and Civil Engineering 2025 Asosiasi Riset Ilmu Teknik Indonesia

This design project is motivated by the low public interest in sports and the limited availability of sports facilities, creating a need for a sports hall that is both effective and efficient in enhancing the community’s quality of life. However, the mere provision of a sports facility is not sufficient; considerations such as building orientation, opening design, and airflow circulation are essential to create an optimal environment for sports activities. Therefore, the tropical architecture approach serves as the primary design basis for the sports hall in Asahan Regency. The aim of this design is to support a healthy lifestyle and improve the quality of life of the local community through comfortable and safe sports activities. The design method adopts a qualitative approach, with data collected through interviews and field observations to understand the needs and preferences of the community. The design also reflects local identity through a mass transformation inspired by the shell form, symbolizing the city of Asahan. The shell structure system is known for its slenderness, making it lightweight and efficient, while its curvature ensures even load distribution. This approach can serve as a model for future sports facility developments in Asahan Regency. This sports hall is expected to become a central hub for athletes in Asahan, providing optimal training facilities to improve their performance. With a modern building and complete facilities, the community can engage in sports activities more comfortably and safely, thus increasing public interest in sports and enhancing overall well-being. This design also aims to promote awareness of the importance of a healthy lifestyle through an effective and efficient sports center.

Syahdila Yoga Pratama; Deni Andriyansyah

Jurnal Riset Rumpun Ilmu Teknik 2025 Pusat riset dan Inovasi Nasional

This study aims to determine the effect of varying hybrid composite volume fractions of luffa (Luffa cylindrica) fiber and fiberglass on the tensile strength of the material. The composite matrix used was polyester resin, while the reinforcements consisted of luffa fibers treated with 5% KOH alkaline solution to improve adhesion with the matrix, and fiberglass as an additional strengthening material. The composition variations applied in this research were 90%:5%:5%, 85%:7.5%:7.5%, and 80%:10%:10% (polyester resin : luffa fiber : fiberglass). The fabrication process was carried out using the hand lay-up method, which is widely used for producing layered composites, followed by tensile testing according to standard mechanical testing procedures to evaluate tensile strength and elongation. The results showed that the addition of luffa fiber and fiberglass fractions had a significant influence on the mechanical properties of the composites. The 80%:10%:10% variation demonstrated the highest tensile strength value of 13.65 MPa and the highest elongation of 0.0105%, indicating better mechanical performance compared to other variations. These findings confirm that the hybridization of natural luffa fiber and synthetic fiberglass can work synergistically to improve the tensile strength of the composite. However, higher fiber fractions should be considered carefully, as they may affect the homogeneity of the mixture and the quality of interfacial bonding. Further research is recommended to optimize volume fractions, enhance fiber surface treatments, and evaluate additional mechanical properties such as impact strength and hardness, in order to explore the potential of hybrid composites as eco-friendly materials with promising mechanical performance.

Ni Putu Diah Iswari; I Nyoman Wijana Asmara Putra

International Journal of Management Science and Business 2025 International Forum of Researchers and Lecturers

Stock returns represent a crucial parameter that serves as a reference for investors in evaluating company performance. A decline in returns has occurred in several mining companies listed on the IDX, despite the sector’s vital role in the national economy. This study aims to examine the effect of Corporate Social Responsibility (CSR), Return on Assets (ROA), Return on Equity (ROE), Debt to Equity Ratio (DER), and Firm Size on the stock returns of mining companies listed on the IDX during the 2022–2024 period. The sample was determined using purposive sampling, resulting in 56 observational data after outliers were removed. To meet the assumptions of classical tests, several variables were transformed using natural logarithms, and data were analyzed using multiple linear regression. The results indicate that CSR, ROE, and Firm Size have no significant effect on stock returns, whereas ROA and DER show a significant positive effect. These findings suggest that investors tend to emphasize financial fundamentals, particularly profitability and capital structure, rather than non-financial aspects such as CSR activities. The implication for companies is the need to enhance operational efficiency and optimize financial structures to attract investors and improve returns. Future researchers are encouraged to incorporate external variables such as global commodity prices, market risk, and macroeconomic indicators, as well as expand the observation period and apply more diverse methodological approaches to provide a more comprehensive understanding of stock return dynamics in the mining sector.

Demi Primavera; Hurian Kamela

Jurnal Kendali Akuntansi 2025 International Forum of Researchers and Lecturers

The implementation of a system commonly known as Good Governance refers to the extent to which the government is able to meet the needs and expectations of society through its policies, programs, and actions. The application of Good Governance is not only related to the effectiveness of bureaucracy but also emphasizes principles of transparency, accountability, participation, and fairness in governance. This is crucial because it has a direct impact on improving the quality of public services, which is one of the key indicators of government success. However, achieving the goals of Good Governance is not an easy task, as in practice, there are various challenges and obstacles that must be addressed. One of the most common barriers is the weakness of internal control systems, which should serve as oversight of employee performance. In addition, there remains a shortage of employees with adequate competencies, as well as work environments that do not fully support the implementation of accountable behavior. These conditions can hinder the achievement of the expected standards of Good Governance. Therefore, deepening and internalizing accountable behavior among government employees is highly important. Accountable behavior is not only related to an individual’s responsibility for their tasks but also to the outcomes of their work, which directly affect the wider community. The findings of this study indicate that accountable behavior has been practiced by employees, yet its implementation must be carried out consistently and continuously. Strengthening accountable behavior is thus expected to enhance the assessment of Good Governance implementation, particularly in the Greater Jakarta (Jabodetabek) region, which is characterized by high levels of governmental complexity and public service demands.

Chori Nurfadia; M. Jusman Syah

Jurnal Manuhara : Pusat Penelitian Ilmu Manajemen dan Bisnis 2025 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

This research aims to determine the effect of the Current Ratio, Debt to Equity Ratio, Net Profit Margin, and Total Asset Turnover on Return On Assets (ROA) in manufacturing companies within the Industrial Machinery and Heavy Equipment sub-sector listed on the Indonesia Stock Exchange for the period 2018 – 2024. The study utilized secondary data in the form of annual financial statements from 9 companies in the machinery and heavy equipment sub-sector. These companies were selected using the purposive sampling technique based on specific criteria. The research applied a multiple linear regression model, with data processed using IBM SPSS version 25. The findings show that, partially, the Current Ratio has a positive and significant effect on Return On Assets, indicating that better liquidity management improves asset returns. The Debt to Equity Ratio, however, showed no significant impact on Return On Assets, suggesting that financial leverage does not strongly influence the return generated from assets in these companies. The Net Profit Margin was found to have a positive and significant effect on Return On Assets, meaning that higher profitability directly enhances asset performance. Similarly, Total Asset Turnover has a positive and significant impact on Return On Assets, indicating that efficient asset utilization leads to higher returns. The study highlights key financial indicators for improving asset returns in manufacturing companies within the sub-sector.

Junaidi Junaidi; Jaja Suparman; Natanael Suranta; Siska Yoniessa; A. Nurfajri Irwan +1 more

International Journal of Management Science and Business 2025 International Forum of Researchers and Lecturers

This qualitative research investigates the critical factors inhibiting ship arrival efficiency and their impact on shipping agency performance at PT. Berkah Tata Baruna Banten Branch. Through comprehensive interviews with maritime professionals, port operators, and agency management, the study examines three primary variables: pilot tugboat services, cargo loading-unloading productivity, and document processing efficiency. Utilizing thematic analysis and narrative synthesis, findings reveal significant operational integration challenges that directly affect agency performance metrics. The research demonstrates that synchronized maritime service delivery substantially influences stakeholder satisfaction and business sustainability. Results indicate that technological integration barriers, communication gaps, and human resource development needs constitute primary obstacles to optimal port performance. Beyond identifying constraints, the study highlights how fragmented coordination between service providers creates inefficiencies that extend vessel turnaround times and increase operational costs. Respondents emphasized that transparent communication channels, standardized documentation procedures, and adequate training programs are essential to building resilient port systems. Moreover, the research shows that investment in digital platforms for real-time data sharing could accelerate clearance processes, while workforce development initiatives would ensure higher service reliability. The study contributes theoretically by developing frameworks of integrated maritime service performance and practically by offering policy-oriented recommendations to strengthen agency competitiveness. Overall, the findings provide valuable insights for stakeholders seeking to enhance Indonesia’s maritime logistics capacity, aligning operational improvements with the nation’s broader economic and global shipping ambitions.

I Gede Loucian Cass Tanjung; I Wayan Dikse Pancane

Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika 2025 Asosiasi Riset Ilmu Teknik Indonesia

This study aims to analyze the effect of transformer oil purification on oil breakdown voltage and evaluate its benefits in maintaining transformer performance and reliability. Oil purification is a crucial preventive maintenance step to preserve insulation quality and prevent operational failures caused by reduced dielectric properties. The study was conducted through several stages, including data collection, oil purification, measurement of breakdown voltage before and after purification, and evaluation of results. Data collection involved measuring the oil’s electrical properties according to SPLN 49-1:1982 and observing results using a Break Down Voltage (BDV) test. Purification of a Trafindo 400 kVA transformer was performed through visual inspection, connecting the inlet and outlet hoses to the purification machine, and circulating the oil until the breakdown voltage met the required standards. Results indicated that the oil breakdown voltage before purification was below standard due to reduced insulation quality caused by water contamination, charcoal particles, thermal degradation, and dissolved gases that weakened dielectric properties. Additional factors such as electrical stress, mechanical stress, and excessive loading also contributed to insulation deterioration. After purification, the oil breakdown voltage increased significantly to meet the standard of >30 kV/2.5 mm, demonstrating that purification effectively restores the oil’s insulating capacity and supports optimal transformer performance. Analysis confirms that the transformer oil remains suitable for use, and routine annual purification is recommended to maintain reliability, efficiency, and operational performance. This study highlights oil purification as an effective preventive measure for transformer stability, extending operational life, and reducing the risk of insulation failure. The findings provide valuable guidance for transformer maintenance in the electricity industry, ensuring safe and optimal long-term operation.

Elisa Kurnia Maulida; Furi Indriyani; Rohani Lestari Napitupulu

Jurnal Manuhara : Pusat Penelitian Ilmu Manajemen dan Bisnis 2025 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

Turnover intention is a critical issue that companies must address, particularly in service sectors such as cleaning services, which often experience high employee turnover rates. This study is motivated by the observation that low wages and high workloads are the main factors contributing to turnover intention among workers. The primary objective of this research is to analyze the effect of wages and workload on the turnover intention of daily workers at PT Serasi Manunggal Sejahtera ICE BSD. The study employed a quantitative approach using survey methods for data collection, which included observation, questionnaires, and documentation. The population of this study consisted of 105 workers, from which a sample of 84 respondents was selected using the Yamane formula. The sampling technique applied was Simple Random Sampling to ensure unbiased representation. Data analysis was carried out using SPSS version 30, which involved data quality tests, classical assumption tests, hypothesis testing, and the determination coefficient test. The findings of this research indicate that wages have a negative and significant effect on turnover intention, implying that higher wages tend to reduce employees’ desire to leave their jobs. Conversely, workload has a positive and significant effect on turnover intention, indicating that greater workload increases employees’ likelihood of resigning. These results highlight the importance for company management to review wage policies and manage workloads effectively. By addressing these factors, companies can reduce turnover intention, maintain employee stability, and improve organizational performance.