MAEMUNAH, Siti; AJI, Adnan Bayu; SETIAWAN, Edhie Budi; YULIANTINI, Yuliantini; TATIANA, Yana. Human Resources Certification and Ship Safety Competency in Lake Toba. Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG), [S. l.], v. 12, n. 2, p. 215–222, 2025. DOI: 10.54324/j.mtl.v12i2.1530. Disponível em: https://journal.itltrisakti.ac.id/index.php/jmtranslog/article/view/1530. Acesso em: 1 nov. 2026.