Sukardi, Sukardi. “TUGAS DAN TANGGUNG JAWAB SECOND OFFICER TERHADAP KELANCARAN OPERASIONAL KAPAL FLOATING CRENE PADMA INDAH”. Jurnal Pendidikan Manajemen Transportasi 3, no. 1 (March 2, 2026). Accessed March 17, 2026. https://ejurnal.stmtmalahayati.ac.id/index.php/JPMT/article/view/143.