Hidayat, Sapit. “Implementation Quality Standard System Policy of Indonesian Seafarers”. JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN 8, no. 1 (September 1, 2017): 8–31. Accessed December 20, 2025. https://pdp-journal.hangtuah.ac.id/index.php/jurnal/article/view/54.