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Audy Aprillia; Prameswari R.J; Alif Muhammad Shaquille; Yeni Nurhasanah

Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer 2026 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Plastic waste, particularly bottle caps, poses a significant environmental challenge due to its slow degradation rate. This study aims to design a functional shoe rack utilizing plastic bottle cap waste to support Sustainable Development Goals (SDG 12: Responsible Consumption and Production). The product development process employed the Quality Function Deployment (QFD) method to translate consumer needs into measurable technical specifications. Concept selection was evaluated using the Pugh Matrix, while financial feasibility was analyzed through the Break Even Point (BEP) approach. The research resulted in an optimal shoe rack design measuring 53x32x37 cm, weighing 1.5 kg, and featuring additional side hangers for socks. The production process involves shredding, molding with resin, cutting, and assembling, with a total duration of 367.03 minutes. Financial analysis indicates that the business reaches the break-even point at a minimum production of 2 units or a total sales value of Rp227,272. This research demonstrates that integrating industrial engineering methods into plastic waste management can produce functional, durable, and economically viable products.

Yuli Wahyu Rahmawati; Ali Mustofa

Jurnal Sains dan Kesehatan (JUSIKA) 2026 Universitas Muhamadiyah Manado

Risk factors for melasma have been identified at several points such as the use of birth control pills, cosmetics, sun exposure, estrogen therapy, decreased thyroid and ovarian function, ovarian tumors, nutrition, drugs that are classified as phototoxic or photoallergic, and epilepsy drugs. This article aims to determine the incidence of melasma and its risk factors. This study uses articles collected from the Google Scholar database. The data collection step uses the keyword "Risk Factor Melasma" according to the title and keyword criteria. The articles used are publications in the 2018-2023 year range. The stages of analysis are carried out using VOSviewer software for visualization and trend analysis in the form of bibliometric maps. The bibliometric approach was applied to identify publication patterns, research developments, and relationships among topics related to melasma risk factors. Based on the visualization results, 100 selected documents were published within 5 years, from 2018 to 2023. The findings provide an overview of the main research trends and contribute to a better understanding of the incidence of melasma and the factors associated with its occurrence

Aisyah Yasmin Khoirunnisa; Iman Santoso

Jurnal Riset Rumpun Ilmu Kesehatan 2026 Pusat riset dan Inovasi Nasional

Myofascial pain syndrome (MPS) in the upper trapezius muscle is one of the disorders commonly found in the neck area, characterized by myofascial trigger points (MTrP) in taut bands or tight muscle bands. Kinesio taping (KT) is a non-invasive therapy used in the management of MPS of the upper trapezius to improve neck disability measured using the Neck Disability Index (NDI). However, stronger evidence is still needed regarding the effectiveness of KT in reducing neck disability scores in MPS upper trapezius. This study aims to review and analyze the effectiveness of KT on NDI scores in MPS upper trapezius. The research method used is a systematic review employing PRISMA-P and the PICOS framework. The sample and population of the study consist of articles obtained from databases such as Crossref, Scopus, PubMed, Google Scholar, and Semantic Scholar. Keywords such as "Kinesio Taping," "Myofascial Pain Syndrome," and "Myofascial Trigger Point" were used. The results of the descriptive analysis of the selected articles showed that KT significantly reduced the NDI value in MPS upper trapezius. In conclusion, KT is effective in improving functional disability in the neck caused by MPS upper trapezius, and KT can be a therapeutic option either alone or in combination with other therapies.

Adinda Muhfyana; Chelsea Rivera Pasaribu; Dave Marcellino Sancia; Dwi Octa Marcellita Girsang; Mariatul Kiftia Shakila +2 more

Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam 2026 Pusat riset dan Inovasi Nasional

This study aims to analyze students’ mathematical reasoning abilities in quadratic function material through the use of Desmos. The research employed a qualitative descriptive approach using a case study and usability testing method. Data were collected through post-tests and interviews involving students’ responses in solving quadratic function problems. The analysis focused on several indicators of mathematical reasoning, including procedural skills, conceptual understanding, and analytical ability. The results show that students generally demonstrate adequate procedural reasoning, particularly in substitution and computation tasks. They are also able to relate algebraic representations to geometric interpretations, such as determining intercept points and analyzing the direction of parabolas. However, limitations were found in conceptual understanding, especially in identifying graph characteristics without relying on procedural steps. The use of Desmos significantly supports the development of students’ mathematical reasoning by providing real-time visualization, facilitating exploration of function parameters, and enabling verification of results. Overall, Desmos contributes to enhancing procedural, conceptual, and analytical dimensions of mathematical reasoning, although its effectiveness depends on proper instructional design.

Miyaki Natanael; Priyanto Priyanto; Editha Praditya

International Journal of Management 2026 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

This study examines the implementation of Indonesia’s Visa on Arrival (VoA) policy in DKI Jakarta as both an instrument of tourism-driven economic recovery and a component of non-military national defense management under Law No. 23 of 2019 on the Management of National Resources for National Defense. While VoA has significantly contributed to the rebound of international tourist arrivals—surpassing 11 million visits nationally in 2023—it simultaneously generates governance challenges at strategic entry points such as Soekarno–Hatta International Airport, where facilitation of mobility intersects with risks including overstaying, transnational crime, human trafficking, and potential infiltration by non-state actors. Existing scholarship largely emphasizes economic impacts and regulatory frameworks, leaving limited analysis of VoA as part of an integrated civil defense infrastructure. Addressing this gap, the study aims to analyze how VoA implementation in DKI Jakarta is managed within a non-military defense perspective, particularly regarding institutional coordination, immigration intelligence, and risk mitigation mechanisms. Employing a qualitative case study approach, data were collected through in-depth interviews with immigration officials and security stakeholders, document analysis of relevant laws and ministerial regulations, and review of official immigration statistics, followed by thematic analysis. The findings indicate that although VoA effectively supports economic and diplomatic objectives, its function as a non-military defense instrument remains constrained by fragmented inter-agency coordination, uneven intelligence integration, and limited adaptive governance capacity at the local level. Strengthening collaborative surveillance systems, data-sharing mechanisms, and strategic policy alignment between immigration authorities and national defense institutions is therefore essential. The study concludes that reframing immigration governance as part of Indonesia’s broader non-military defense strategy is crucial to balancing openness with security in high-density international gateways.

Wiranto Wiranto; Lucia Diyah Reny P; Yessy Apriantriarta Cahya P; Yuni Fitria

Kajian Administrasi Publik dan ilmu Komunikasi 2026 Asosiasi Peneliti Dan Pengajar Ilmu Sosial Indonesia

Purpose: This study examines the effect of service communication on usage intention of Holistic Homecare for Elderly services, with customer trust serving as a mediating variable. Design/Methodology/Approach: Employing a quantitative explanatory approach with cross-sectional survey design, this research involved 120 family respondents with elderly members (≥60 years) in urban areas of Jakarta and Bandung, selected through stratified purposive sampling. Data were collected using structured questionnaires with 5-point Likert scales that had been tested for validity (Pearson correlation > 0.30) and reliability (Cronbach's Alpha > 0.70). Data analysis utilized Partial Least Squares Structural Equation Modeling (PLS-SEM) with SmartPLS 4.0 to examine measurement and structural models, along with bootstrapping mediation tests. Findings: Service communication demonstrated significant positive effects on customer trust (β = 0.712; t = 12.456; p < 0.001) and usage intention (β = 0.324; t = 4.213; p < 0.001). Customer trust significantly influenced usage intention (β = 0.498; t = 6.847; p < 0.001) and functioned as a partial mediator (indirect effect = 0.354; BootCI [0.248; 0.471]). Originality/Value: This research integrates Commitment-Trust Theory and Social Support Theory within the context of home-based elderly care services in a developing country, revealing the critical role of empathetic, responsive, and transparent communication as the foundation for trust-building that subsequently drives service adoption. Practical Implications: The findings emphasize the necessity of therapeutic communication training for caregivers and information transparency to establish a trustworthy homecare service ecosystem in Indonesia.

Wines Kurnia Sendy; Adi Nugroho

IT-Explore: Jurnal Penerapan Teknologi Informasi dan Komunikasi 2026 Fakultas Teknologi Informasi, Universitas Kristen Satya Wacana

Gethsemane Salatiga website using Jakob Nielsen’s heuristic evaluation method combined with a triangulation approach. The evaluation involved 20 respondents, consisting of 7 UI/UX experts and 13 general users and guests, who assessed the website based on Nielsen’s ten heuristic principles, including visibility of system status, match between system and the real world, user control and freedom, consistency and standards, error prevention, recognition rather than recall, flexibility and efficiency of use, aesthetic and minimalist design, error recovery, and help and documentation. To minimize potential bias, the study integrated heuristic evaluation with user context analysis and empirical validation through usability testing, thereby providing a more comprehensive assessment. The results indicate that the overall UI/UX quality of the website is relatively good, with average scores ranging from 3 to 4 on a 5-point scale. Most identified issues fall within minor to moderate severity levels, with no critical problems affecting core functionalities. Consistency and standards received the highest average score (4.0), while alignment with user expectations and visual comfort still need improvement. Recommendations include enhancing system feedback, strengthening error prevention mechanisms, and improving help and documentation features. The differences in assessments between expert and non-expert respondents highlight the importance of professional evaluation in identifying usability issues. This study contributes to the refinement of a more reliable and contextually relevant UI/UX evaluation framework, particularly within the hospitality and tourism sector.

Fajriyah Lutfiyatul Hikmah; Eva Hany Fanida; Meirinawati Meirinawati; Trenda Aktiva Oktariyanda

Jurnal Hukum, Administrasi Publik dan Negara 2026 Asosiasi Peneliti Dan Pengajar Ilmu Sosial Indonesia

Digital transformation in judicial institutions is aimed at improving transparency, efficiency, and legal certainty for the public. One of the main instruments in the digitization of the judiciary in Indonesia is the Case Tracking Information System (Sistem Informasi Penelusuran Perkara/SIPP), which functions as a means of case administration as well as a medium for public information disclosure. Although SIPP is considered to be running well from an administrative perspective, its effectiveness from the point of view of service users, particularly in providing information on court schedules, still shows limitations in its practical use. This study aims to analyze the effectiveness of SIPP in providing information and certainty regarding court schedules for service users at the Surabaya Class IA Special District Court. This study uses a qualitative approach with a descriptive research type. Data was obtained through in-depth interviews with service users and court officials, observation, and review of documents and system data. The analysis was conducted using the Socio-digital effectiveness framework, which focuses on three dimensions, namely user experience, citizen engagement, and public value, to examine the relationship between digital systems, user experience, and the social meaning of public judicial services. The analysis shows that the SIPP has been quite effective in providing access to court schedule information at the administrative level. This effectiveness is reflected in the openness of information access, which can be used by the public without special authentication. However, at the level of practical use, there are still limitations in terms of timeliness and consistency of information updates when there are delays or changes to the court schedule. This affects the user experience in planning attendance and shapes perceptions of the reliability of the digital information provided by the court.

Chelsea Olivia Ramadhani; Harlin Nur Afizah; Khonitah Nuril Hidayati; Rizka Ari Yani; Inara Faridotu Rohmah +2 more

Bhinneka: Jurnal Bintang Pendidikan dan Bahasa 2026 Universitas Palan

The analysis of locutionary speech acts is a pragmatic study that can reveal the role of digital communication in the learning process, particularly in educational videos such as the Positive Psychology Class on the YouTube channel Garvin Goei. Within this video, there are various forms of utterances, such as declarative, interrogative, and imperative, which serve to convey information clearly and build understanding among viewers. The accurate formulation of locutionary utterances will also influence the effectiveness of online learning, necessitating an in-depth analysis to assess their quality. The objective of this research is to identify the forms and functions of locutionary speech acts present in the video, which can subsequently be used as a reference in designing educational content. Good quality locutionary speech acts will impact learners' comprehension and interaction abilities in a distance learning context. The methodology employed is a descriptive qualitative approach, beginning with data collection through observation and note-taking techniques on the Garvin Goei YouTube video. The observation technique involves reading and observing the entire video content, while the note-taking technique includes recording locutionary utterances and re-verifying the obtained findings. After conducting the analysis, 606 data points of locutionary speech acts were obtained, with a dominance of declarative sentences (213), interrogative (145), and imperative (88), indicating variations in sentence structure and the use of conjunctions. The quality of these utterances is evaluated based on clarity of meaning, pragmatic function, and level of complexity. The results of this research are expected to serve as a reference for teaching materials and provide deeper insights into the influence of locutionary speech acts on the quality of digital educational communication.

Nabila Monica; Raysha Fauzia Andani; Sri Mulyeni

Jurnal Publikasi Ilmu Psikologi. 2026 Asosiasi Riset Ilmu Kesehatan Indonesia

Academic productivity is a vital indicator of student success in higher education, but it is often hampered by the complexity of tasks, transitions in the learning environment, and digital distractions that trigger procrastination. This phenomenon demands a high degree of adaptability so that students do not become trapped in physical and mental exhaustion due to unmanaged workloads. Therefore, this study aims to analyze in depth the causal relationship between time management skills and academic productivity, as well as investigate their role in mitigating academic stress levels in students. The research method applied is a literature review with a qualitative-descriptive approach. The research data was sourced from secondary data in the form of 21 reputable scientific articles (national and international journals) published between 2020 and 2025. The data analysis process was carried out through the stages of data reduction, synthesis of findings, and narrative conclusion drawing to systematically map the relationship between variables. The results and discussion of the study show that time management has a significant positive correlation with improved learning achievement. Specific indicators such as daily schedule planning, priority setting, and self-regulation have been empirically proven to increase task completion efficiency and Grade Point Average (GPA) achievement. Conversely, poor time management was identified as a major predictor of cognitive overload and exhaustion, especially among students with dense curricula such as engineering majors. This study concludes that mastery of time management is not merely a scheduling tool, but a fundamental cognitive strategy that functions as a coping mechanism to maintain mental health and achieve an optimal study-life balance.

Muhamad Nurul Anwar; Teti Safari; Heri Usodo; Wahyu Kusuma Dewi

Prosiding Seminar Nasional Ilmu Manajemen Kewirausahaan dan Bisnis 2026 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

This study aims to analyze the influence of terminal users’ perceptions on business development opportunities at Mangkang Type A Terminal, Semarang City, managed by the Central Java Class I Transportation Management Agency (BPTD). As a major transportation hub, the terminal functions not only as a passenger transit point but also as a strategic economic area with potential for commercial facility development. However, the utilization of business opportunities at Mangkang Terminal remains suboptimal, necessitating an evidence-based analysis of the factors that shape these opportunities. This research employs a quantitative approach using a survey method involving terminal users, including passengers, public transport drivers, and terminal visitors. Data were collected using a Likert-scale questionnaire and analyzed through multiple linear regression to examine the influence of user perceptions on business potential, which includes interest in facility usage, demand for additional services, and preferences for commercial space utilization. The findings indicate that perceptions related to comfort, safety, cleanliness, accessibility, and service quality significantly affect business development opportunities. Comfort and service quality emerge as the most dominant factors driving user interest in commercial facilities. These results emphasize that improving terminal service quality can serve as an effective strategy to expand business opportunities and enhance non-tax revenue.

Moch. Anil Syidqi; Aris Setiawan

Proceeding of the International Conference on Social Sciences and Humanities Innovation 2025 Asosiasi Peneliti dan Pengajar Ilmu Sosial Indonesia

Traditional arts in Indonesia face a growing threat not from physical displacement, but from algorithmic distortion. This study examines how social media algorithms shape and distort public perception of Indonesian traditional arts — specifically jaranan and barongan — through the lens of Van Dijck's (2013) popularity principle: the principle that content distribution is determined by interaction volume rather than cultural value. Employing qualitative thematic content analysis, this study analyzes comments on five viral social media videos sourced from YouTube and TikTok, each depicting riots or tension at traditional art performances. Findings demonstrate that the popularity principle operates consistently and cumulatively across all five samples: algorithmically provocative titles, emotional polarization in comment sections, and micro-behavioral signals such as watch duration and replay collectively function as interaction signals that drive the platform to distribute riot content far more widely than culturally substantive footage. The consequences extend beyond perception: event organizers suffer long-term reputational and economic damage, while collective stereotypes — associating jaranan with violence and disorder — become sufficiently entrenched to surface spontaneously in unrelated contexts. A comparative analysis of a Kangen Band concert video reveals that these stereotypes have already achieved the status of cultural reference points. This study argues that strategic resistance is possible: the same algorithmic logic that amplifies negative content can be deployed to circulate culturally rich content, provided that artists, communities, and government commit to producing content designed to generate high-quality interaction. The challenge is to transform social media from a distorting mirror into an instrument of cultural preservation.

Putri Humairah Napitupulu; Juliana Putri

Jurnal Bisnis, Ekonomi Syariah, dan Pajak 2025 Asosiasi Riset Ekonomi dan Akuntansi Indonesia

This article develops a conceptual model that explains how social capital and digital literacy interact in shaping Islamic financial literacy in the digital era. Through a comprehensive literature review, this study synthesizes theories, empirical findings, and thematic patterns derived from reputable academic journals, scholarly books, and institutional publications. The analysis shows that social capital functions as a value foundation encompassing trust, collective norms, and behavioral orientations that influence individuals’ initial acceptance of sharia-based financial practices. Information obtained through family, religious communities, and social networks becomes a crucial entry point that shapes early perceptions and preferences toward Islamic financial products. Meanwhile, digital literacy strengthens individuals’ ability to access, evaluate, and verify Islamic financial information independently through various digital content such as online articles, infographics, educational videos, and Islamic fintech platforms. The interaction between these two dimensions creates a layered learning process in which social capital provides contextual value and trust, while digital literacy deepens technical understanding in a more objective manner. This article contributes theoretically by proposing the Social Capital–Digital Literacy Integrative Model and offers practical implications for Islamic financial institutions, regulators, and fintech providers in designing more effective strategies to enhance Islamic financial literacy in society.

Ni Wayan Setiasih

Imajinasi : Jurnal Ilmu Pengetahuan, Seni, dan Teknologi 2025 Asosiasi Seni Desain dan Komunikasi Visual Indonesia

The rapid development of digital technology has increased the demand for students to demonstrate their competencies through professional digital portfolios, particularly in Information Systems programs where analytical, design, and visual communication skills are essential. This study aims to analyze the effectiveness of using Canva as a digital portfolio development tool in the Portfolio Development course at ITB STIKOM Bali. The research employed a descriptive quantitative approach, using a four-point Likert-scale questionnaire distributed to 30 students enrolled in the course. The collected data were analyzed using descriptive statistics to measure students’ perceptions regarding ease of use, learning effectiveness, visual creativity, digital literacy, and learning motivation. The findings indicate that Canva is perceived as very easy to use due to its intuitive interface and accessible design features. Canva is also considered effective in helping students present system analysis results and project documentation in a more structured and visually appealing manner. Moreover, the use of Canva enhances students’ visual creativity and digital literacy skills while increasing their motivation and confidence in completing portfolio assignments. These results suggest that Canva functions not only as a design tool but also as an educational medium that supports the academic and professional competencies required in the digital era. Therefore, integrating Canva into project-based and visually oriented courses is strongly recommended to improve the quality of student learning outcomes.

Rudi Hartono; Kusuma Wardany

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

As one of the graduation criteria at Nahdlatul Ulama University Lampung, student activity point management requires a reliable system. Currently, the manual mechanism implemented still encounters obstacles in the form of data inaccuracy and a lengthy verification process. This research aims to build a website-based Student Activity Point Information System to improve the quality of data management. Software development was carried out using the Waterfall model, starting from the analysis stage, design using UML, technical implementation (HTML, CSS, PHP, MySQL), to the functional testing stage. Through this system, students can submit activities online, while the administrator can validate and print point reports automatically. Based on the results of the Black Box test, all features in the system operate as designed. The presence of this system provides a more accurate and efficient solution, making it a credible support tool for the student affairs department. This system is expected to provide a more efficient and accurate solution in student activity point management, as well as support smooth administration and improve the quality of student affairs department services.

Alfirdasari, Hani; Widuri, Trisnia; Rahmawati, Zulfia

Jurnal Ekonomi, Bisnis dan Manajemen (EBISMEN) 2025 FEB Universitas Maritim Semarang

This study aims to analyze and determine the optimal production capacity at Sekar Arum MSMEs to achieve maximum profit using the Linear Programming (LP) graphical approach. The research employed a quantitative method with a descriptive approach. The data used included primary data from interviews and observations, and secondary data from production and raw material records. The analysis was conducted by formulating a mathematical LP model consisting of an objective function and constraint functions based on the limited resources available to the enterprise. Data processing was carried out using POM-QM for Windows version 5 with the graphical method to identify the optimal solution point. The results indicate that the optimal production combination is 2 kilograms of red ginger and 3 kilograms of tamarind turmeric, yielding a maximum profit of Rp4,600,000 per production cycle. The implementation of Linear Programming proved effective in assisting MSME owners in making efficient production decisions, thereby enhancing profitability and the sustainable use of resources.

Cresensia Kanip Kurupat; Nutrisia Nu’im Haiya; Moch. Aspihan

Jurnal ilmu Kesehatan Umum 2025 Asosiasi Riset Ilmu Kesehatan Indonesia

Background: Nurses are the most dominant health workers in hospitals including inpatient installations. This dominance tends to have an impact on the main focus of the community including patients. When the nurse's performance is good, being able to cover all services in the hospital will be of good value in the eyes of the community and patients, making it a crucial point for nurses to work in accordance with the competencies, main tasks and functions and practice standards set by health care facilities. This study examines the relationship between nurse performance and patient satisfaction treated at the inpatient installation of Bhayangkara Hospital Jayapura. Method: This study is a type of non-experimental quantitative research with correlation studies. Data collection was carried out using questionnaires. The number of respondents was 98 people with the same number of nurses and patients, namely 49 people. The sampling technique used was incidental. Data were analyzed using spearmank rho. Result: Based on the results of the study, it was found that the age of 26-45 years, female, with a Diploma III education, and a length of work of more than 3 years. While the majority of patient respondents were aged 18-25 years, female, with the most education being high school, having a self-employed job, and a length of care of 1-3 days. The performance of nurses found to be categorized as good while the majority of patient satisfaction was very satisfied. The results of the spearman rho analysis obtained a correlation strength level of 0.924 with a p-value of 0.000. Conclusion: Nurse performance is related to patient satisfaction treated at the inpatient installation of Bhayangkara Hospital Jayapura. It is expected that the measurement of nurse performance with patient satisfaction will be carried out periodically, a maximum of once a year to evaluate nursing services.

Marva Razita Ramelan

Abstrak : Jurnal Kajian Ilmu seni, Media dan Desain 2025 Asosiasi Seni Desain dan Komunikasi Visual Indonesia

In early 2024, deaths from Dengue Hemorrhagic Fever (DHF) increased again in Indonesia, with the number of cases higher than the previous year. This condition raises concerns because DHF remains a serious public health problem. The World Health Organization (WHO) emphasized that the key to reducing mortality lies not only in early detection but also in public access to fast, effective, and equitable health services. This statement aligns with the second point in the document "National Dengue Control Strategy 2021–2025" issued by the Ministry of Health, in which the government is committed to strengthening health security. In efforts to ensure this strengthening, public participation plays a crucial role, particularly through the public oversight function channeled through the media. The media acts as a bridge of information and a tool of social control over government performance, including in monitoring the provision of health services by BPJS Kesehatan. This study aims to analyze how news about health security reaches the public, using Brand24 media monitoring as an analytical tool. The research method used was descriptive qualitative, focusing on mapping issues, sentiments, and narratives developing in the digital space. The analysis showed that news containing the keyword "BPJS Kesehatan" was dominated by positive news, with several minor topics discussing aspects of public service. This finding indicates a media tendency to project a positive image of the institution, although further study is needed regarding media bias in the context of health security reporting in Indonesia. Future research is expected to explore the relationship between media framing, public interest, and the effectiveness of national health programs.  

Shifwah Ufairah Kusuma; Kurniawan Sinaga

JURNAL RISET RUMPUN ILMU HEWANI 2025 Pusat riset dan Inovasi Nasional

As a key source of animal protein in Indonesia with growing demand, this study examines the income levels of broiler chicken meat vendors at Tanjung Pura Market, Langkat Regency. Despite fluctuating prices and limited purchasing power among consumers, traditional markets continue to serve an essential function in meat distribution. The objective of this research is to assess the income of broiler chicken sellers by analyzing production costs, output, profits or losses, R/C ratio, and break-even point (BEP). Using a total sampling method, ten vendors at Tanjung Pura Market were chosen as the research subjects. A qualitative approach was applied through descriptive analysis.

Daniel Natanael Manalu; Jon Judiarto Siregar; Jufri Antoni; Jusra Tampubolon

Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri 2025 Asosiasi Riset Ilmu Teknik Indonesia

The Ripple Mill machine is one of the vital components in a Palm Oil Mill (PKS) that functions to separate the palm kernel from its shell. This process is very important because the quality and quantity of the palm kernel produced will directly affect the economic value and production efficiency in the palm oil industry. At PTPN IV Regional II Plantation Unit and Adolina PKS, various technical problems were found that caused a decrease in machine performance, including rotor bars and square bars that experienced wear due to age and improper machine settings. In addition, other damage that often occurs is a broken van belt due to age and excessive tension, feeder motor dysfunction caused by excessive load, and motor overheating that occurs due to age and high workload. To overcome these problems, this study uses the Failure Mode and Effect Analysis (FMEA) method. This method aims to identify various potential failures, assess the severity, frequency of occurrence, and detection capability, so that the Risk Priority Number (RPN) value can be calculated as a basis for repair priorities. The results showed that worn rotor bars and worn square bars had the highest RPN values, each at 280, equivalent to 40.23% of the total identified risks. This indicates that these two components are critical points requiring immediate repair and maintenance attention. Applying FMEA in this context provides tangible benefits, including helping the company formulate a more targeted maintenance strategy, reducing the risk of recurring damage, and minimizing downtime that impacts production. With more systematic maintenance, operational efficiency can be improved while extending the lifespan of the Ripple Mill machine.