Winiastuty, Nuraini Dessy, Yahya Kuncoro, and Olfebri Olfebri. 2026. “Efficiency Analysis of Public Service Obligation (PSO) Sea Transportation Routes in Indonesia: A Case Study of PT Pelni (Persero)”. Dinasti International Journal of Economics, Finance & Accounting 7 (3):2516-29. https://doi.org/10.38035/dijefa.v7i3.7116.