[1]
R. Siregar and Zulkarnain, “Environmentally Friendly Alternative Energy Development Policies in Overcoming the Energy Crisis”, bjes, vol. 1, no. 1, pp. 44–50, Dec. 2021, Accessed: Oct. 02, 2025. [Online]. Available: https://al-kindipublishers.org/index.php/bjes/article/view/2612