Sari, Marina Ika. “NATURAL RESOURCES CONTRIBUTION IN DEFENSE DIPLOMACY: A CASE STUDY OF BRUNEI DARUSSALAM”. Jurnal Pertahanan dan Bela Negara 9, no. 2 (August 30, 2019): 57–68. Accessed July 23, 2026. https://upgradeojs.rifqisyams.id/index.php/JPBH/article/view/574.