AL-GHANNAM, K.; MAHMOOD, M. Charging of oil components by caustic soda to prepare activated charcoal. Journal of Education and Science, [S. l.], v. 18, n. 1, p. 34–43, 2006. DOI: 10.33899/edusj.2006.78659. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/41534. Acesso em: 7 sep. 2025.