NASUTION, Syahrial; THAMRIN, Muhammad; RAHARDJO, Sri; PURWA SAPUTRA, Datep. Guide Professionalism, Guide Services, Ship Security, and Shipping Safety for Smooth Ship Traffic at Indonesia’s Main Ports. Dinasti International Journal of Education Management and Social Science, [S. l.], v. 6, n. 2, p. 772–784, 2024. DOI: 10.38035/dijemss.v6i2.3630. Disponível em: https://www.dinastipub.org/DIJEMSS/article/view/3630. Acesso em: 27 apr. 2026.