SIMAJUNTAK, Dino Jonathan; GINTING, Dafid. Upaya Meningkatkan Pelayanan Keagenan Pada PT. Samudra Shipping Agency Dumai. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 2, p. 1103–1113, 2024. DOI: 10.31004/innovative.v4i2.9129. Disponível em: http://j-innovative.org/index.php/Innovative/article/view/9129. Acesso em: 10 jul. 2026.