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All Journal JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Multidisciplinary Indonesian Center Journal
Nadiya Maharani
Politeknik META Industri Cikarang
Religion Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Public Health Other

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Analisis Sistem Logistik Rantai Pasok Substitusi Bahan Baku PLTU Batu Bara Menggunakan Soft System Methodology (SSM) Wan Habibi Rahman Barus; Iphov Kumala Sriwana; Nadiya Maharani; Muhammad Alif Ihsan
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 11, No 1 (2026): Januari 2026
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v11i1.5117

Abstract

The use of coal as the primary raw material for Steam Power Plants (PLTU) poses serious challenges related to sustainability, particularly due to high emissions, pollution risks, and supply chain dependence on non-renewable energy sources. Partial coal substitution with biomass is considered an effective strategy to reduce environmental impacts while supporting new and renewable energy targets. This study aims to analyze the potential of palm oil solid waste, wood pellets, and charcoal briquettes as coal substitutes using the Soft System Methodology (SSM) approach. The study follows seven SSM stages, starting from problem identification, compiling a problem description, formulating a root definition, CATWOE analysis, building a conceptual model, a debating process, and recommending corrective actions. The analysis results indicate that biomass substitution is feasible if supported by an integrated logistics system, the availability of biomass supplies, and compliance with the technical specifications for PLTU combustion. Biomass from palm oil waste, wood waste, and agricultural residues has a fairly stable energy value and can be obtained through a more environmentally friendly supply chain. Overall, this study confirms that the SSM approach is effective in understanding the complexity of coal-fired power plant problems and formulating renewable energy-based solutions through strengthening the biomass logistics system.Keywords - Biomass, PLTU, Renewable Energy, Soft Systems Methodology, Supply Chain Logistics.
SUPPLY CHAIN ANALYSIS OF PANGASIUS (PATIN) FISH USING THE FOOD SUPPLY CHAIN NETWORK (FSCN) APPROACH AND COST-PLUS PRICING IN SAGULING VILLAGE Nadiya Maharani; Fadil Abdullah; Indra Mahyudi S
Multidisciplinary Indonesian Center Journal (MICJO) Vol. 3 No. 3 (2026): Vol. 03 No. 3 Mei - Juli 2026
Publisher : PT. Jurnal Center Indonesia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62567/micjo.v3i3.2601

Abstract

This study aims to determine the optimal strategy for managing the supply chain of Pangasius (catfish) in Saguling Village, West Bandung Regency. The study applies the Food Supply Chain Network (FSCN) approach and Cost Plus Pricing to evaluate supply chain effectiveness and determine appropriate product pricing. Data were collected through observation, interviews, and documentation involving 50 respondents, consisting of fish farmers, middlemen, wholesalers, and market traders. The results indicate that the Pangasius distribution system still involves multiple intermediaries, resulting in relatively weak bargaining power for fish farmers. The distribution process takes approximately 1–2 days and is constrained by limited cold storage facilities, which affects product quality. Cost analysis shows that the cost of production is IDR 20,239.15 per kg, while the ideal selling price is IDR 22,263.06 per kg, with a profit margin of 10%. Improvements in the distribution system, better access to market information, and enhanced logistical support are necessary to increase distribution efficiency and improve farmers’ profitability.
Co-Authors Fadil Abdullah Indra Mahyudi S Iphov Kumala Sriwana Muhammad Alif Ihsan Wan Habibi Rahman Barus