RAMADHAN, W. F.; SUDIRMAN, S.; SAPUTRA, T. D. Optimizing the Use of Ships in Time Charter to Increase the Efficiency of Coal Transportation at PT. Kartika Samudra Adijaya. JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN, [S. l.], v. 16, n. 1, p. 65–73, 2025. DOI: 10.30649/japk.v16i1.177. Disponível em: https://pdp-journal.hangtuah.ac.id/index.php/jurnal/article/view/177. Acesso em: 20 dec. 2025.