Muhammad Eizaz Dhiya Bin Ishak and M. F. . Tajul Baharuddin, “Study On pH Reduction Between Ceramic Flat And Sand Filtration Method In Kangkar Senangar, Parit Sulong, Johor”, peat, vol. 4, no. 1, pp. 783–792, May 2023, Accessed: Jul. 18, 2024. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/10071