PORCELANITE ROCKS AS A DUAL FILTER MEDIA IN WATER TREATMENT PLANTS. Journal of Engineering, [S. l.], v. 14, n. 03, p. 2643–2655, 2008. DOI: 10.31026/j.eng.2008.03.08. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2349.. Acesso em: 20 may. 2024.