Sahari, Deselfia DNM. “Efektivitas Penerapan Standar Operasional Prosedur (SOP) PT Pelni Cabang Makassar Selaku Operator Kapal Penumpang Pasca Pandemi Covid-19”. Jurnal Pendidikan Tambusai 7, no. 1 (February 11, 2023): 1209–1213. Accessed July 12, 2025. https://jptam.org/index.php/jptam/article/view/5408.