Yunirman JA. Model Transportasi Jalur Laut untuk Distribusi Semen Curah. J. Optimasi Sist. Ind. [Internet]. 2010 Oct. 30 [cited 2024 May 2];9(2):65-74. Available from: https://josi.ft.unand.ac.id/index.php/josi/article/view/150