Saragih, Herlina JR, Rayanda Barnas, and Purwanto Purwanto. “Defense Management Concepts Improving Indonesian Maritime Security”. Jurnal Pertahanan: Media Informasi tentang Kajian dan Strategi Pertahanan yang Mengedepankan Identity, Nasionalism dan Integrity 2, no. 3 (September 29, 2016): 257–272. Accessed August 5, 2026. http://jurnal.idu.ac.id/index.php/DefenseJournal/article/view/104.