Benk, Isra. “Potret Pelabuhan Sofifi Tidore Kepulauan Tahun 1975-2010”. Jurnal GRADUAL : Governance Administration and Public Service 8, no. 2 (April 22, 2022): 51–62. Accessed May 4, 2025. http://www.ejournal.um-sorong.ac.id/index.php/gl/article/view/1740.