Experimental study on Ion Exchange Rate of Calcium Hardness in Water softening process Using Strong Acid Resin DOWEX HCR S/S. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 19, n. 1, p. 107–114, 2017. Disponível em: https://nahje.com/index.php/main/article/view/50.. Acesso em: 2 may. 2024.