SIREGAR, Ramlan; ZULKARNAIN. Environmentally Friendly Alternative Energy Development Policies in Overcoming the Energy Crisis. British Journal of Environmental Studies, [S. l.], v. 1, n. 1, p. 44–50, 2021. Disponível em: https://al-kindipublishers.org/index.php/bjes/article/view/2612. Acesso em: 2 oct. 2025.