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All Journal Jurnal Ekonomi Manajemen Sistem Informasi Al-Kharaj: Journal of Islamic Economic and Business Jurnal Ilmu Manajemen Terapan (JIMT) Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG) Jurnal Impresi Indonesia Skyhawk: Jurnal Aviasi Indonesia Joong-Ki : Jurnal Pengabdian Masyarakat Jurnal Ilmu Multidisplin Journal of Economics and Management Scienties Joong-Ki Jurnal Siber Multi Disiplin Joong-Ki
Zaenal Abidin
Institut Transportasi Dan Logistik Trisakti
Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Public Health Social Sciences Other

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Optimizing The Supply Chain Management System Safety Equipment for Sea Vessels Increasing Company Productivity (Case Study of CV Bandar Bahari on Banjarmasin) Bayu Satrya Nugraha; Zaenal Abidin; Paulus Raga; Muhammad Fahrudin
Journal of Economics and Management Scienties Volume 8 No. 2, March 2026
Publisher : SAFE-Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37034/jems.v8i2.345

Abstract

Supply chain efficiency is a key factor for companies in maintaining competitiveness and operational sustainability. CV Bandar Bahari, a provider of marine safety equipment, faces challenges arising from fluctuating demand for life jackets and other maritime safety products, which affect productivity and operational performance. This study aims to analyze supply chain performance, identify customer expectations in improving supply chain effectiveness, and formulate strategies for sustainable productivity improvement. This research employs a mixed-method approach with a case study design at CV Bandar Bahari. Qualitative data were collected through in-depth interviews, observations, and documentation studies involving internal parties directly engaged in supply chain activities, while quantitative data were obtained through questionnaires distributed to customers and supply chain partners. Data analysis was conducted using Interpretative Phenomenological Analysis (IPA) for qualitative data, as well as the Customer Satisfaction Index (CSI) and Importance–Performance Analysis (IPA) for quantitative data. The findings indicate that supply chain performance continues to face several constraints, including predominantly manual work systems, suboptimal technology utilization, limited human resources, and constraints in order picking and delivery due to route availability, resulting in longer lead times. This study emphasizes the importance of technology integration and human resource capacity development, including the management of environmental impacts. The proposed strategies focus on strengthening human resources and enhancing technology integration to achieve a sustainable supply chain management system at CV Bandar Bahari.
Mitigating Geometric Bottlenecks in One-Way Systems: Empirical Evaluation and Intervention Models in Critical Urban Arteries Alfath Yogatama; Abdullah Ade Suryobuwono; Ervin Widodo; Aang Gunawan; Zaenal Abidin
Jurnal Ilmu Multidisiplin Vol. 4 No. 6 (2026): Jurnal Ilmu Multidisplin (Februari - Maret 2026)
Publisher : Green Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jim.v4i6.1716

Abstract

Urban congestion represents a critical challenge in metropolitan transportation systems, particularly in one-way traffic corridors experiencing geometric bottlenecks. This study evaluates the implementation of one-way systems on Jalan Gading Indah Raya and proposes evidence-based intervention models to enhance traffic performance at Pintu Satu Gading, North Jakarta. Employing mixed-method triangulation, the research integrates field surveys, Indonesian Road Capacity Manual (PKJI) analysis, and PTV Vissim microsimulation modeling to assess existing conditions and evaluate intervention scenarios. Field data revealed peak traffic volumes reaching 6,804 vehicles per hour with speeds declining to 16 km/h, indicating severe saturation conditions. Three intervention scenarios were simulated, incorporating geometric modifications, signal timing optimization, and traffic management strategies. Results demonstrate that integrated interventions can improve degree of saturation by 23-31%, enhance average speeds by 18-27%, and elevate the level of service from D/E to B/C categories. The study validates microsimulation as an effective tool for evaluating traffic interventions in complex urban networks and provides actionable recommendations for transportation authorities managing geometric bottlenecks in one-way arterial systems.
Co-Authors Aang Gunawan Abdullah Ade Suryobuwono Alfath Yogatama Amelia Zakiyah Solichin Andjar Budi Wibawanti Apsada Juhri Arie Fitriadi Bayu Satrya Nugraha Charles. An Dian Artanti Arubusman DIKA RISIT MAULANA Dinar Dewi Kania Edhie Budi Setiawan, Edhie Budi Erman Noor Adi Ervin Widodo Euis Saribanon, Euis Frans Sudirjo Isa Amsyari Josua Sahala Mardiah Aryuni Nasution Muhammad Fahrudin Muhammad Taris Hasibuan Nafana Aulia Nofrisel Nofrisel Okin Ringan Purba Paulus Raga Peppy Fachrial Revina Revina Sandriana Marina Sudaryanti Parta Sudewo, Gatot Cahyo