Sutiah, Sutiah, and Supriyono Supriyono. “Environment, Mix Energies, ASEAN Economies and Education”. International Journal of Energy Economics and Policy 11, no. 1 (December 1, 2020): 591–598. Accessed April 26, 2024. https://www.econjournals.com/index.php/ijeep/article/view/10400.