Azizah, Riska, Syamsuddin Noor, and Zulkifli Aspan. “Pengakuan Eksistensi Belligerent Dalam Hukum Internasional (Studi Kasus OPM)”. PETITUM 9, no. 2 (February 11, 2022): 151-160. Accessed August 28, 2025. https://jurnal.uit.ac.id/JPetitum/article/view/1187.