Alcivar, María Shirlendy Guerrero, Susana Rodriguez Munoz, Mercedes Ofelia Murillo, and Maria Rodriguez Gamez. “Zeolite and Removal of Ammonium in Sewage”. International research journal of engineering, IT and scientific research 3, no. 3 (May 31, 2017): 77–83. Accessed April 16, 2026. https://sloap.org/journals/index.php/irjeis/article/view/566.