IQBAL, M. N. Letter from the Editor. International Journal of Alternative Fuels and Energy, [S. l.], v. 5, n. 2, p. 44–46, 2021. Disponível em: https://www.psmjournals.org.aabms.pk/index.php/ijafe/article/view/586. Acesso em: 3 nov. 2026.