TO STUDY THE LEACHING BEHAVIOR OF COAL ASH. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 4, n. 8, p. 452–459, 2017. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/5006. Acesso em: 6 sep. 2025.