Amelia Gustin, D.R. 2022. The Development of East Natuna Block for Defense’s Interest on the Borderline and Securing Indonesia Energy Reserves. Journal of International Studies on Energy Affairs. 3, 1 (Jun. 2022), 17–38. DOI:https://doi.org/10.51413/jisea.Vol3.Iss1.2022.17-38.