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Shinta Nurjanah; Erna Pujihartanti

Jurnal Manajemen Bisnis Era Digital 2026 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

The garment industry in Indonesia has experienced rapid growth in line with the increasing demand for fashion products, particularly in Bandung Regency, which is one of the main garment centers. CV Kiral, as a garment company, faces intense competition, especially in terms of promotion and product quality, which are crucial factors in attracting consumers. This study aims to examine the influence of promotion and product quality on consumer purchasing decisions at CV Kiral, both partially and simultaneously. The research method employed is quantitative with a descriptive and verificative approach. The sample consisted of 100 respondents, who were CV Kiral consumers, determined using Cochran’s formula and selected through simple random sampling. Data were collected using a Likert-scale questionnaire and analyzed through multiple linear regression, t-test, F-test, and coefficient of determination with the assistance of SPSS software. The results indicate that promotion has a positive and significant effect on purchasing decisions, as does product quality, which also demonstrates a positive and significant influence. Simultaneously, promotion and product quality make a strong contribution to improving consumer purchasing decisions. Thus, the success of CV Kiral in facing competition is highly determined by the effectiveness of creative digital promotions and the consistency of product quality that meets consumer expectations.

Rafiqi, Iqbal; Sarah, Murniah

Jurnal Inovasi Ekonomi Syariah dan Akuntansi 2026 Asosiasi Riset Ekonomi dan Akuntansi Indonesia

This study aims to analyze trends in scientific publications related to the application of green banking in financing products within Islamic banking in Indonesia during the 2019–2024 period. Using a bibliometric analysis method based on Google Scholar data and mapping via VOSviewer software, this study evaluates 60 selected articles. The study results indicate a significant annual increase in publications, with a primary focus on integrating green banking principles into Islamic financing policies, their impact on profitability, and the role of technology in supporting green banking. Additionally, the study found that environmental sustainability, green financing, and digital transformation are the most dominant themes in the development of green banking research within Islamic banking. Bibliometric network analysis indicates a strong interconnection between the concepts of green finance, sustainable banking, and Islamic banking in supporting sustainable economic development. This study also identifies opportunities for further research related to the effectiveness of green banking implementation on the financial performance and social responsibility of Islamic banking. These findings contribute to the development of green finance literature in the Islamic finance sector and serve as a strategic reference for regulators and practitioners in implementing sustainable banking policies in the future.

Sabila Sabila; Dellia Dellia; Nadiya Nadiya; Latifa Latifa; Zainal Abidin

Merkurius : Jurnal Riset Sistem Informasi dan Teknik Informatika 2026 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

This study conducts a systematic review of literature concerning the role of Management Information Systems (MIS) in managing Umrah pilgrim data across Indonesia. Employing a Systematic Literature Review (SLR) guided by the PRISMA protocol, the study examined and synthesized 24 peer-reviewed articles published between 2019 and 2026, drawn from Google Scholar, SINTA, and nationally accredited journal portals. Findings indicate that MIS adoption has yielded notable improvements in operational efficiency, data reliability, service transparency, and the overall quality of managerial decision-making within Umrah travel organizations. Web-based MIS remains the predominant technological approach, offering integrated modules for pilgrim registration, document handling, financial tracking, and departure scheduling. At the national level, government-initiated platforms such as SISKOHAT and SISKOPATUH have demonstrated tangible contributions to the administration of Hajj and Umrah services. Nevertheless, persistent obstacles continue to hinder full-scale adoption, including inadequate digital infrastructure in certain regions, inconsistent internet connectivity, and gaps in human resource competencies for operating digital systems. The study argues that embracing MIS is no longer optional for Umrah travel operators; rather, it constitutes a strategic necessity. Future research is encouraged to investigate long-term implementation outcomes, cross-system comparisons, and data security considerations within the broader digital landscape of pilgrimage service management.

Dian Mawarni

International Journal of Economics and Management Sciences 2026 Asosiasi Riset Ekonomi dan Akuntansi Indonesia

Hospitals play a strategic role in improving public health through professional, safe, and high-quality healthcare services. In modern healthcare organizations, service quality is not only determined by medical facilities and technology but also by the quality of human resources, particularly healthcare workers who directly interact with patients. This study aims to analyze the influence of authentic leadership on healthcare workers’ performance and hospital service quality. The study employed a quantitative explanatory research design involving 120 healthcare workers in a hospital setting. Data were collected using questionnaires and analyzed through multiple linear regression analysis. The findings demonstrate that authentic leadership has a positive and significant effect on healthcare workers’ performance, with a regression coefficient value of 0.648 and a significance level of 0.000. Furthermore, authentic leadership indirectly influences hospital service quality through healthcare workers’ performance, with an indirect effect value of 0.521. These findings indicate that leaders who demonstrate honesty, transparency, integrity, and interpersonal support are able to create a healthy work environment that enhances healthcare workers’ motivation, responsibility, and professionalism. Consequently, improved employee performance contributes to better hospital service quality, particularly in responsiveness, empathy, and communication with patients. This study highlights that authentic leadership is an effective leadership approach for strengthening healthcare human resources and improving hospital service quality in contemporary healthcare organizations.

I Gede Wisnu Darma Suta; Ni Ketut Sari Adnyani; Komang Febrinayanti Dantes

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

This study examines the urgency of foreign nationals' (WNA) legal status and visa compliance in the vehicle rental business in Bali, as well as its impact on business disputes involving local entrepreneurs. The increasing number of international tourists visiting Bali has spurred the growth of vehicle rental services, yet it has also given rise to illegal practices by foreign nationals such as misuse of tourist visas for commercial purposes, tax evasion, and unfair business competition. This research adopts a normative juridical method using statute, conceptual, and case approaches, referring to key legal documents including Law No. 6 of 2011 on Immigration, Law No. 6 of 2023 on Manpower, Ministerial Regulation No. 21 of 2016, and Bali Regional Regulation No. 5 of 2016 on Tour Guiding. The findings highlight the vulnerability of rental contracts under Article 1548 of the Indonesian Civil Code, risks of breach of contract, and widespread violations of the Electronic Traffic Law Enforcement (ETLE) system, the penalties of which are imposed on rental owners. Nationality disparities and weak immigration oversight further undermine the effectiveness of law enforcement. This study concludes that legal protection for local business actors relies heavily on the legal clarity of WNA status, the appropriateness of 1 visa categories, and strong inter-agency coordination. The novelty of this research lies in integrating legal analysis of WNA legitimacy with a dispute resolution framework specific to the vehicle rental sector in Bali’s tourism landscape a perspective that has been largely overlooked in prior studies. The recommendations include strengthening rental contracts, enhancing coordinated supervisory mechanisms, and harmonizing civil and criminal law to establish a stronger deterrent effect.

Desi Ayuherma Anugrah; Dewa Gede Herman Yudiawan

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

This study analyzes normative conflicts in the evolution of local government regulations from Law No. 22 of 1999 to Law No. 23 of 2014, along with the changes following the Job Creation Law. The research background is grounded in the phenomenon of policy pendulum swings, which indicate a shift from radical decentralization toward structured centralization, as well as the disruptions caused by the omnibus law approach. The research aims to identify and classify vertical and horizontal normative conflicts and formulate recommendations for regulatory harmonization. The method used is normative legal research with a legislative and conceptual approach, employing Hans Kelsen’s theory of antinomy as an analytical tool. The research findings identified two main forms of normative conflict: first, a vertical conflict between Law No. 22/1999, which advocates for the broadest possible autonomy, and Law No. 23/2014, which strengthens central control through the concepts of absolute affairs and NSPK, creating a paradox of centralization within decentralization. Second, a horizontal conflict following the Job Creation Law, which centralizes regional licensing authority through the OSS system and revives Article 251 regarding the annulment of regional regulations that have been declared unconstitutional by the Constitutional Court. The implications of this research recommend revising problematic articles and strengthening the role of regions within a just decentralization system.

Komang Trisna Handayani

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

Tourism in Bali, as the backbone of the regional economy, absorbs more than 50% of the workforce and gives rise to complex labor dynamics. Although Law No. 13 of 2003 on Manpower and Law No. 21 of 2000 on Trade Unions guarantee worker protection and freedom of association, the reality on the ground is still marked by the misuse of fixed-term employment contracts (PKWT), violations of outsourcing regulations, and both structural and cultural barriers to union formation. This article employs a normative juridical approach, using statute, conceptual, and case-based methods to analyze the regulatory framework and the responses of workers, employers, and government actors in addressing industrial relations disputes within Bali’s tourism sector. The findings reveal a significant gap between written legal norms and actual practice: repeated extensions of PKWT, outsourcing of core tasks such animal caretaking, union-busting through dismissal of union members, and weak law enforcement at regional level. Trade unions play a role in mediation and advocacy, but their performance is hindered by employer intimidation, low legal literacy among workers, and limited institutional support. Bridging this gap requires strict oversight, legal education for workers, as well as the strengthening of union capacity and the authority of local governments.

Nur Sabrina Kumalasari; Irmayanti Septiana Putri; Fathurrohman Nur Hidayat; Rendy Aprilio Sulaiman; Muhammad Adymas Hikal Fikri

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

Rapid urban growth is often linked to the narrative of sustainable development, yet the reality is that fundamental issues remain in the management of urban waste. This paper aims to examine the gap between the concept of a sustainable city and sub-optimal waste management practices. Through a normative legal approach involving an analysis of legislation and relevant literature, it has been found that the implementation of waste management policies continues to face various challenges, such as weak law enforcement, a lack of policy integration, and low levels of public participation. On the other hand, the use of the label ‘sustainable city’ tends to be symbolic and does not yet reflect comprehensive practices. This paper positions the issue of waste as a key indicator in assessing urban sustainability. The novelty of this study lies in its critical approach, which links the discourse on sustainability with the contextual realities of waste management, thereby offering a more reflective and distinct perspective from previous studies.

Sri Yulianti Mozin; Alfiyah Agussalim; Nur Rizka Ahen; Marvinesya Tobuto; Sarlin Idris +3 more

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

This study aims to analyze the role of organizational communication in improving organizational performance using a systematic literature review approach with a descriptive qualitative method. The data were obtained from various relevant scientific literature sources, including national journals and academic articles discussing organizational communication and performance. The results indicate that organizational communication plays a significant role in enhancing performance through effective vertical and horizontal communication patterns, clarity of information flow, and improved work coordination. In addition, organizational communication contributes to building harmonious working relationships, increasing motivation, and strengthening organizational commitment. Leadership plays a crucial role in managing communication effectiveness within the organization. However, communication effectiveness is also influenced by supporting and inhibiting factors, such as work environment, communication skills, and differences in individual perceptions. Therefore, organizations need to manage communication strategically to achieve optimal performance. This study provides theoretical contributions to the development of organizational communication studies and practical implications for organizations in improving communication effectiveness.

Imelda Suma; Asna Aneta; Yacob Noho Nani

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

Market levies are a regional taxation category that holds significant promise for increasing regional fiscal resources, complementing local tax revenues. The objectives of this study are; (1) Understanding the Communication Mechanism in the Implementation of Market Service Fee Policy in Gorontalo City. (2) Examination of Resource Availability in the Implementation of Market Service Tax Policy in Gorontalo. (3) Understanding the Bureaucratic Framework in the Implementation of Market Service Tax Policy in Gorontalo City. (4) Examination of the Implementation of Market Service Tax Policy Disposition in Gorontalo City. The method used in this study is a descriptive qualitative method. The results of this study indicate that the communication of market service fee policy has been carried out through systematic formal channels and is supported by a clear bureaucratic structure and division of tasks, but its implementation is still not optimal. This is caused by several obstacles, including unequal understanding and distribution of information among traders, limited resources in terms of both quantity and quality of human resources, budget, and inadequate market facilities. Furthermore, weak coordination and suboptimal implementation of SOPs in the field also impact work consistency, while the disposition or attitude of implementers who have demonstrated commitment but are not yet unified requires a more comprehensive strategic approach. Therefore, integrated efforts are needed, including improving the communication framework, strengthening human resource capacity, improving facilities, stricter supervision, and ongoing coaching to create more effective and professional policy implementation.

Ahmad Mansur; Tonny Hendratono; Sugiarto Sugiarto

International Journal of Communication, Tourism, and Social Economic Trends 2026 Asosiasi Penelitian dan Pengajar Ilmu Sosial Indonesia

The phenomenon of tourist destinations experiencing a decline in popularity after a viral phase (post-viral stagnation) poses significant challenges to the sustainability of urban tourism. This study aims to test a structural model for destination reactivation in Kampung Pelangi, Semarang, focusing on the role of digital transformation in strengthening destination resilience through the mediation of competitive advantage. Using a quantitative approach, data were collected from 150 respondents and analyzed using Structural Equation Modeling (SEM-PLS). The results of the hypothesis testing indicate that digital transformation has a positive and significant influence on competitive advantage (β = 0.495; t = 5.820; p < 0.001) and destination resilience (β = 0.312; t = 3.450; p < 0.001). Furthermore, competitive advantage was found to have a strong impact on resilience (β = 0.542; t = 7.115; p < 0.001). A mediation test demonstrated that competitive advantage significantly mediated the relationship between digital transformation and resilience (β = 0.268; t = 4.890; p < 0.001). This model demonstrated a predictive power of 61.2% (R2 = 0.612) for destination resilience. This finding emphasizes that post-pandemic destination reactivation requires the integration of digital capabilities that can restore differentiation and unique value propositions to achieve long-term resilience.

Muhammad Rayyan Aulia; Teuku Muttaqin Mansur; Nurdin MH

IJLS (International Journal of Law and Society) 2026 Asosiasi Penelitian dan Pengajar Ilmu Hukum Indonesia

This study examines the effectiveness of mediation in resolving divorce cases at the Banda Aceh Sharia Court and the Jantho Sharia Court based on Supreme Court Regulation No. 1 of 2016. This study aims to analyze the implementation of mediation, identify factors influencing its effectiveness, and determine efforts to improve the effectiveness of mediation in divorce cases. The method used is a legal-empirical approach with a qualitative methodology through interviews and literature review. The research results indicate that the implementation of mediation has been in accordance with the provisions of Supreme Court Regulation No. 1 of 2016; however, its success rate remains low, rendering it ineffective. Factors influencing the effectiveness of mediation include the mediator’s competence, the parties’ strong desire to divorce, prolonged domestic conflicts, and the influence of religious figures within the community. Efforts to improve the effectiveness of mediation are carried out by enhancing the competence of mediators, educating the parties on the benefits of mediation, and optimizing the mediation process within the Sharia Court.

Ahmad Irfansyah Rosyadi; Salsabila Syifana Alkamila; Agita Naysilla Putri; Muhammad Lexsi Pratama; Ali Murtadho Emzaed

Federalisme : Jurnal Kajian Hukum dan Ilmu Komunikasi 2026 Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

Zakat and taxation are two important instruments in the life of society and the state, both of which aim to improve social welfare. However, in practice, the integration of zakat and taxation in Indonesia has not yet been fully realised, meaning that the potential of zakat as part of fiscal policy has not been optimally utilised. This study aims to examine the status of zakat within the legal system and public policy, the form of its integration into the tax system, and the various obstacles encountered in its implementation. This study employs a normative legal methodology using legislative, conceptual, and analytical approaches, and utilises secondary data analysed qualitatively. The research findings indicate that zakat has been recognised within the national legal system; however, it is still viewed as a religious obligation that coexists alongside taxation as a state obligation. The current integration remains limited to reductions in taxable income and has not yet demonstrated comprehensive coherence within fiscal policy. Furthermore, its implementation continues to face various obstacles from legal, institutional, technical, and fiscal perspectives, meaning it has not yet been effectively implemented.

Yovita Serviana Ona Watu; Theny I. B. K. Pah; Belandina L. Long; Cataryn V. Adam

Jurnal Ilmu Sosial, Bahasa dan Pendidikan 2026 Pusat Riset dan Inovasi Nasional

This study aims to analyze the role of the Regional Disaster Management Agency (BPBD) of East Flores Regency in managing the eruption disaster of Mount Lewotobi Laki-Laki during the pre-disaster, emergency response, and post-disaster phases. The study employed a descriptive qualitative method involving 18 informants from BPBD and affected communities in Wulanggitang and Ile Bura Sub-districts. Data were collected through observation, interviews, and documentation. The findings show that during the pre-disaster phase, BPBD implemented preparedness measures through disaster-prone area mapping, the establishment of Disaster Preparedness Teams and Disaster-Resilient Villages, public outreach, and the use of local wisdom. However, outdated contingency plans, limited early warning systems, weak relocation efforts, and low public awareness contributed to panic and casualties during the eruption. In the emergency response phase, BPBD successfully coordinated evacuation efforts, established emergency posts, and distributed logistics effectively. Nevertheless, displaced communities experienced discomfort due to prolonged emergency conditions and limited fulfillment of basic needs in temporary shelters. In the post-disaster phase, BPBD conducted rehabilitation and reconstruction through transportation recovery, trauma healing programs, and permanent housing development based on the Rehabilitation and Reconstruction Plan (R3P). However, limited funding and delays in reconstruction processes remained major challenges. Therefore, improving coordination, institutional capacity, disaster communication, and community participation is essential for effective disaster management.

Musa Efraim Umbu Togola; Wiliam Djani; Ardy Y. Pandie; Adriana R. Fallo

Jurnal Ilmu Sosial, Bahasa dan Pendidikan 2026 Pusat Riset dan Inovasi Nasional

This study aims to analyze the implementation of the Bravo PUPR Online attendance system in improving the work discipline of Civil Servants (ASN) at the National Road Implementation Center of East Nusa Tenggara. The research focuses on punctuality of attendance, consistency in fulfilling working hours, task completion, compliance with attendance procedures, alignment between recorded data and actual conditions, and acceptance of consequences for violations. The study employs a qualitative approach with data collection techniques including observation, documentation, and interviews with leaders, system operators, and ASN as direct users. The results indicate that the implementation of the Bravo PUPR Online attendance system has improved administrative order in attendance and increased ASN awareness of time discipline. However, work discipline has not been fully optimal, as several issues remain, such as inconsistent attendance, suboptimal fulfillment of working hours, and discrepancies between attendance data and actual field conditions. In addition, technical constraints such as internet connectivity and GPS accuracy, as well as behavioral factors like negligence and lack of supervision, also affect system effectiveness. In terms of compliance, the Bravo system integrated with e-HRM is considered effective in detecting violations and enforcing strict consequences, ranging from warnings to administrative sanctions. This demonstrates that the attendance system functions not only as a recording tool but also as an instrument for monitoring discipline.

Nurul Azmi Eka Rinie; Fiky Jayanti; Puji Lestari; Ayi Hernani Putri; Rusni Masnina

Jurnal Ilmu Kesehatan dan Gizi 2026 Pusat Riset dan Inovasi Nasional

Low Birth Weight (LBW) refers to infants born with a birth weight of less than 2,500 grams and remains an important issue in neonatal health due to its association with increased neonatal morbidity and mortality. To analyze the determinants of LBW based on primary studies published from 2021 to 2026. A literature review was conducted using the PRISMA approach. Article searches were performed through PubMed, Google Scholar, Scopus, ScienceDirect, and ProQuest using the keywords low birth weight, determinant factors, risk factors, BBLR, and faktor risiko with Boolean operators AND/OR. The inclusion criteria were primary studies, full-text availability, publication in Indonesian or English, and publication years from 2021 to 2026. A total of 20 articles were included, consisting of 15 international articles and 5 national sources. The review showed that LBW is influenced by interrelated maternal, nutritional, obstetric, and sociodemographic factors during pregnancy. The most dominant factors included multiple pregnancy with an adjusted OR of 21.74, maternal food insecurity with an AOR of 6.85, maternal hemoglobin level <11 g/dL with an AOR of 5.21, lack of iron-folic acid supplementation with an AOR of 4.17, maternal age ≤20 years with an AOR of 3.42, pregnancy interval <1 year with an adjusted OR of 2.92, missed antenatal care visits with an AOR of 2.74, smoking during pregnancy with an OR of 2.18, and maternal hypertension with an AOR of 1.94. LBW is influenced by multiple interrelated factors; therefore, efforts to reduce its incidence should focus on evidence-based interventions, particularly through optimizing antenatal care services, improving maternal nutritional status, and early detection of pregnancy.

Reni Reni; Hajar Nurul Izzati; Muhammad Ikhsan; Rifqa Gusmida Syahrun Barokah

Jurnal Pendidikan Dirgantara 2026 Asosiasi Riset Ilmu Pendidikan Indonesia

This research is motivated by the low speaking ability of elementary school students which is characterized by a lack of confidence, difficulty in expressing opinions in a coherent manner, and the lack of students' ability to express information clearly in learning Indonesian. These problems show that the learning that takes place has not fully provided opportunities for students to actively practice speaking skills. This research aims to Develop a booklet  based on Student Worksheets (LKPD) on interview text materials to support the speaking skills of grade IV elementary school students. The method used is research and Development with a 4D model which includes the define, design, and Develop stages. At the Development stage, the product is validated by media experts and subject matter experts to assess the feasibility level of the LKPD booklet  Developed. The results of the study showed that the LKPD booklet  obtained a feasibility percentage of 91.17% in the media aspect and 90.32% in the material aspect with a very feasible category. These results show that the LKPD booklet  Developed has met the eligibility criteria both in terms of appearance and content as teaching materials for learning Indonesian language in elementary schools. However, this research is still limited to the product validation stage, so further research is needed through field trials to determine the effectiveness of LKPD booklet s in improving students' speaking skills in more depth.

Nivella Rafidza Ramadhani; Ilma Fitri Salsabila; Tatiana Kristianingsih

Jurnal Mahasiswa Kreatif 2026 International Forum of Researchers and Lecturers

This study aims to examine the utilization of classification codes in the sorting of records and non-records. The sorting of records and non-records is an important stage in information management. However, in practice, it is often not carried out systematically, resulting in the mixing of records and non-records with different values. This condition leads to disorganized records management and difficulties in information retrieval. This study employs a descriptive qualitative method with a library research approach. The data were obtained from scientific journals, books, and relevant regulations related to records management. Data collection was conducted through literature review, while data analysis was carried out descriptively through data grouping and interpretation. The results show that classification codes are used as a basis for distinguishing and grouping records and non-records according to organizational functions and activities, thereby supporting better organization in the sorting process. The implication of this study indicates that the use of classification codes supports more structured and systematic records management.

Ismunandar Ismunandar; Nur Khusnul Hamidah

Manfaat : Jurnal Pengabdian Pada Masyarakat Indonesia 2026 Asosiasi Riset Ilmu Tanaman Dan Hewan Indonesia

Ntobo Specta is a community service program implemented by students of the Community Service Program (KKN) of the Bima College of Economics (STIE) as an effort to support the development of a creative economy based on local potential in Ntobo Village. Ntobo Village is known as one of the centers of traditional weaving craftsmen who are the main source of income for most of the community. However, promotion and marketing of woven products are still limited, so innovative activities are needed to increase the attractiveness and economic value of local weaving. Ntobo Specta activities are packaged in the form of a bazaar for weaving MSMEs and a fashion show made from typical Ntobo woven fabrics involving elementary, middle, and high school students. This activity aims to introduce Ntobo weaving to the wider community, increase the interest of the younger generation in local culture, and open marketing opportunities for weaving MSMEs. The implementation method is carried out through the stages of coordination, activity preparation, event implementation, and evaluation. The results of the activity show that Ntobo Specta is able to be an effective medium for promoting culture and the creative economy. The enthusiasm of the community and participants has a positive impact on increasing the existence of Ntobo weaving as a superior regional product. Furthermore, this activity also stimulates economic growth in the community by increasing awareness of local woven products and expanding the marketing network for MSMEs. Thus, Ntobo Specta is a form of community empowerment that integrates cultural preservation with strengthening the creative economy based on local wisdom.

Alvian George Devandrie; Windhu Nugroho; Lucia Litha Respati; Agus Winarno; Harjuni Hasan

Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan 2026 Asosiasi Riset Ilmu Teknik Indonesia

This research aims to compare coal quality based on proximate analysis in two seams with varying depths in Pit North and evaluate the relationship between depth and coal quality parameters. The research method includes taking representative samples at each seam and proximate analysis laboratory testing including inherent moisture, ash content, volatile matter, and fixed carbon. The results showed that seam 1 at an average depth of 59.8 m had an inherent moisture value of 13.51%, ash 4.68%, volatile matter 39.93%, and fixed carbon 41.88%, while seam 2 at an average depth of 82.1 m had inherent moisture 13.42%, ash 4.59%, volatile matter 40.15%, and fixed carbon. 41.84%. Correlation analysis shows that the relationship between depth and coal quality parameters is relatively weak with correlation coefficient values ​​ranging from −0.36 to 0.25 and a low coefficient of determination, so that variations in depth do not have a significant influence on coal quality at the research location.