Wijaya, Haryadi, and Hadi Setiawan. 2024. “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 (1):28-36. https://doi.org/10.62012/zl.v5i1.32168.