C Natalia, F Suprata, T P Hidayat. “Determination of Optimum Domestic Hub Port for Eastern Indonesia in Container Shipping”. International Journal of Advanced Science and Technology 29, no. 7s (May 1, 2020): 3211-3219. Accessed May 19, 2024. http://sersc.org/journals/index.php/IJAST/article/view/17599.