Optimalisasi Pelayanan Keagenan Kapal PT. Putra Andalas Samudera dalam Pengurusan Sertifikat Keselamatan Konstruksi di KSOP Dumai. Journal of Science and Research, [S. l.], v. 1, n. 2, p. 96–105, 2025. Disponível em: https://cjsr.uicordoba.ac.id/index.php/cjsr/article/view/14. Acesso em: 25 aug. 2026.