Laia, Talizomboi, and Jasman Wanfaber Parningotan Saragih. “Proses Pergantian Crew Kapal Asing Mv. Elisabeth Oldendroff Oleh PT. Sea Asih Lines (SAL) Cabang Belawan”. Jurnal Penelitian Samudra 1, no. 1 (April 1, 2023): 24-30. Accessed October 6, 2024. https://samudrajurnal.id/index.php/samudra/article/view/4.