Ningsih, Sudarmi, Yudi Agusman, Laode Asrun Asis, Rahmat Hidayat, and Abd. Kahar Muzakkir. “The Supervisory Function of PT ASDP over Ferry Service Providers at Kolaka Port”. SIGn Journal of Social Science 3, no. 1 (November 12, 2022): 38-54. Accessed July 2, 2024. https://jurnal.penerbitsign.com/index.php/sjss/article/view/v3n1-04.