A. E. H. Bin Abd Aziz and S. Ahmad, “Characterization of Silica from Pasir Puteh, Kelantan Rice Husk for Water Filter Application”, rpmme, vol. 3, no. 1, pp. 915–920, Aug. 2022, Accessed: May 19, 2024. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/rpmme/article/view/6576