NASUTION, S.; THAMRIN, M.; RAHARDJO, S.; PURWA SAPUTRA, D. 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://dinastipub.org/DIJEMSS/article/view/3630. Acesso em: 2 jul. 2025.