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All Journal Jurnal Ekonomi Manajemen Sistem Informasi Bulletin of Pedagogical Research
Akbar Alim
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Economics, Econometrics & Finance Education

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The Effect of The Implementation of International Maritime Law and The Quality of Ship Crew on The Prevention of Coastal Environmental Pollution with Ship Safety as a Mediation in The Bintan Island Area Andriyan Hendry Ole; Akbar Alim; Bambang Sumali; Marihot Simanjuntak; April Gunawan Malau
Jurnal Ekonomi Manajemen Sistem Informasi Vol. 6 No. 1 (2024): Jurnal Ekonomi Manajemen Sistem Informasi (September-Oktober 2024)
Publisher : Dinasti Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jemsi.v6i1.3110

Abstract

: This study aims to investigate the effect of the implementation of international maritime law and the quality of ship crews on the prevention of coastal environmental pollution with ship safety as a mediating variable in the Bintan Island area. With a focus on the issues of the implementation of maritime regulations that are not yet optimal and the variability of the quality of ship crews, this study uses a quantitative descriptive method approach with a sample of 160 ship crews in Bintan Island. The standard theory in takingThe samples used in this study were obtained using the Nonprobability Sampling technique with Saturated Sampling. Data were collected through a questionnaire that measured the variables of the application of international maritime law, the quality of the ship's crew, ship safety, and prevention of coastal environmental pollution. Data analysis was carried out using Structural Equation Modeling Partial Least Squares (SEM-PLS) to evaluate the relationship between variables. The results of the study indicate that the application of international maritime law has a significant effect on ship safety and prevention of coastal environmental pollution. In addition, the quality of the ship's crew also affects ship safety and pollution prevention efforts. Ship safety has been shown to play a significant role as a mediator in the relationship between the application of international maritime law andquality of ship crews with prevention of coastal environmental pollution. The discussion of these findings indicates that increasing the implementation of international maritime law and improving the quality of ship crews can improve ship safety and reduce environmental pollution. Ship safety plays a crucial role in mediating this relationship. This study concludes that stricter policies and effective training for ship crews will contribute to the protection of the coastal environment in Bintan Island. The implications of these results emphasize the importance of implementing better maritime policies and improving the competence of ship crews to achieve optimal results in preventing coastal environmental pollution.
Optimizing Repair and Maintenance of Waste-Processing Machinery for Sustainable Environmental Management in Pariaman City Budi Riyanto; I Kadek Laju; Riki Wanda Putra; Arya Widiatmaja; Hasri Devin; Akbar Alim
Bulletin of Pedagogical Research Vol. 5 No. 3 (2025): Bulletin of Pedagogical Research
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/bpr.v5i3.2036

Abstract

This study addresses persistent waste-management challenges in coastal urban areas by optimizing the performance of waste-processing equipment at the Reduce-Reuse-Recycle (TPS3R) facility in Pariaman City. It was conducted through a Reliability-Centered Maintenance (RCM)–based repair and preventive maintenance program. The intervention combined field observation, identification of critical components, operator technical training, and the implementation of a structured maintenance schedule adapted to local operational conditions. Implementation involved collaboration among TPS3R management, local community members, and technical staff from Politeknik Pelayaran Sumatera Barat. Data were collected through direct observation, semi-structured interviews, and documentation of maintenance activities. Post-intervention evaluation demonstrated substantive gains in machine processing efficiency, up to an 80% improvement relative to baseline and a marked reduction in breakdown frequency. Operators showed measurable increases in technical competence and consistent adherence to Standard Operating Procedures (SOPs) for safe and effective machine operation. The findings underscore the value of vocational higher-education–community partnerships for technology adaptation, capacity building, and fostering a maintenance culture that supports sustainable urban waste systems. The program represents a scalable, replicable model for similar coastal contexts and contributes to Sustainable Development Goals 11 (Sustainable Cities and Communities) and 12 (Responsible Consumption and Production).  
Co-Authors Andriyan Hendry Ole April Gunawan Malau Arya Widiatmaja Bambang Sumali Budi Riyanto Hasri Devin I Kadek Laju Riki Wanda Putra Simanjuntak, M. Marihot