Mohd Zuhan, Mohd Khairul Nizam, Syaza Azhari, and Muhammad Azan Tamar Jaya. “Modified Zeolite As Purification Material in Wastewater Treatment: A Review”. Scientific Research Journal 18, no. 2 (August 27, 2021): 177–213. Accessed January 5, 2025. https://journal.uitm.edu.my/ojs/index.php/SRJ/article/view/3048.