WILMAN JAYA NDRURU. SOSIALISASI PELAYANAN PENERBITAN SURAT PERSETUJUAN BERLAYAR DI PELABUHAN SIBOLGA. Jurnal Pengabdian PenMaRim, [S. l.], v. 3, n. 01, 2025. Disponível em: https://www.samudrajurnal.id/index.php/penmarim/article/view/74. Acesso em: 15 jun. 2026.