Wijaya, Haryadi, dan Hadi Setiawan. “Bridge Duty On A Ship: Study On Preventing Collisions At Sea On The Training Ship John Lie”. Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan 5, no. 1 (Maret 28, 2024): 28-36. Diakses Mei 17, 2024. http://journal.unhas.ac.id/index.php/zonalaut/article/view/32168.