[1]
F. N. D. Ibrahim, “Ammoniacal Nitrogen and COD Removal Using Zeolite-Feldspar Mineral Composite Adsorbent”, IJIE, vol. 8, no. 3, Jan. 2017, Accessed: Apr. 07, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/1478