“Analisis Perjanjian Pengelolaan Wilayah Udara (Flight Information Region) Antara Indonesia Dan Singapura Menurut Hukum Internasional”. Mataram Journal of International Law 1, no. 1 (May 29, 2023). Accessed October 15, 2025. https://journal.unram.ac.id/index.php/majil/article/view/2579.