Rendy Aditya Prayogo, Cito Cito, and Muhammad Nur. 2020. “PROSEDUR PENGURUSAN PERPANJANGAN SERTIFIKAT KAPAL LOGINDO STURDY PADA PT. PERLAYARAN BATAM SAMUDERA PULAU BATAM”. Journal of Maritime and Education (JME) 2 (1):93-98. https://ejournal-poltekamimedan.my.id/index.php/jme/article/view/19.