Djalal, Hasjim. “Maritime Boundary Management and Border Area to Increase Sovereignty Indonesian”. Jurnal Pertahanan: Media Informasi tentang Kajian dan Strategi Pertahanan yang Mengedepankan Identity, Nasionalism dan Integrity 1, no. 1 (May 11, 2015): 27–38. Accessed July 23, 2026. https://upgradeojs.rifqisyams.id/index.php/DefenseJournal/article/view/53.