SURYANDARI, Ervin Tri; ZULFIKAR, M.A.; NASIR, M. Kinetics Study of Cd2+ and Zn2+ Metal Ion Adsorption Using Zeolite 4A. Journal of Natural Sciences and Mathematics Research, [S. l.], v. 3, n. 2, p. 258–261, 2017. Disponível em: https://journal.walisongo.ac.id/index.php/JNSMR/article/view/10954. Acesso em: 7 jun. 2025.