HARDNESS REMOVAL FROM DRINKING WATER. مجلة الهندسة, [S. l.], v. 12, n. 02, p. 405–413, 2006. DOI: 10.31026/j.eng.2006.02.17. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2869.. Acesso em: 3 2024.