Sitanggang, Jupriadi, Dirhamsyah Dirhamsyah, and Irianif Sani. “TINJAUAN PROSES PELAYANAN JASA KAPAL PENUMPANG PADA PT. PELAYARAN NASIONAL INDONESIA CABANG MEDAN – BELAWAN”. Journal of Maritime and Education (JME) 2, no. 1 (July 13, 2020). Accessed October 11, 2026. https://ejournal.poltek-amimedan.ac.id/index.php/jme/article/view/15.