Riko Andreas Simbolon, Syarifur Ridho, and Suratni Ginting. “Prosedur Perpanjangan Sertifikat Ship Sanitation Control Exemption Certificate (SSCEC) Di Kantor Kesehatan Pelabuhan Kelas I Dumai Oleh PT. Pelayaran Cahaya Papua Cabang Dumai”. Jurnal Bisnis Kreatif dan Inovatif 1, no. 4 (December 3, 2024): 33–39. Accessed December 22, 2024. https://ejournal.arimbi.or.id/index.php/JUBIKIN/article/view/385.