Winiastuty, N. D., Kuncoro, Y. and Olfebri, O. (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), pp. 2516–2529. doi: 10.38035/dijefa.v7i3.7116.