“Environmental Policy Implementation and Operational Sustainability in Southeast Asian Shipping: A Mixed-Methods Analysis of Governance Frameworks, Officer Perspectives, and Decarbonization Barriers”. JIRAN : Journal of Southeast Asia Studies 7, no. 2 (March 7, 2026): 178–188. Accessed April 3, 2026. https://jiran.unaim-wamena.ac.id/jiran/article/view/30.