List of Articles Sapta Raharja Article 1 - Conceptual model to manage supply chain performance (case study: pangasius.sp agroindustry in indonesia) 10.22094/joie.2023.1981521.2047 Andreas Panudju Marimin Marimin Sapta Raharja Mala Nurilmala Journal of Optimization in Industrial Engineering , Issue 34 , Year , Spring 2023