“Value Chain Inefficiencies in Local Agribusiness: Diagnosing the Long and Costly Agricultural Supply Chain in Majene Regency, West Sulawesi, Indonesia Using Porter’s Value Chain Framework” (2026) JIRAN : Journal of Southeast Asia Studies, 7(2), pp. 255–265. Available at: https://jiran.unaim-wamena.ac.id/jiran/article/view/37 (Accessed: 3 April 2026).