YUNIRMAN, J. A. Model Transportasi Jalur Laut untuk Distribusi Semen Curah. Jurnal Optimasi Sistem Industri, Padang, ID, v. 9, n. 2, p. 65–74, 2010. DOI: 10.25077/josi.v9.n2.p65-74.2010. Disponível em: https://josi.ft.unand.ac.id/index.php/josi/article/view/150. Acesso em: 2 may. 2024.