ALCIVAR, M. S. G.; MUNOZ, S. R.; MURILLO, M. O.; GAMEZ, M. R. Zeolite and removal of ammonium in Sewage. International research journal of engineering, IT and scientific research, [S. l.], v. 3, n. 3, p. 77–83, 2017. Disponível em: https://sloap.org/journals/index.php/irjeis/article/view/566. Acesso em: 16 apr. 2026.