Yusgiantoro, P., U. W. Siagian, A. H. Reksoprodjo, D. R. Gustin, and N. D. Asri. “Security–Energy Nexus in Indonesia’s Border: The Case of Natuna”. Indonesian Journal of Energy, Vol. 7, no. 1, Feb. 2024, pp. 1-15, doi:10.33116/ije.v7i1.207.