Kassim Shaari NZ, Alias NH, Mohd Zainuddin NAF, Chik NSI. Removal of Manganese Ion Using Integral Membrane Incorporated with Rice Husk Ash. SRJ [Internet]. 2023 Mar. 17 [cited 2024 Oct. 5];20(1):125-43. Available from: https://journal.uitm.edu.my/ojs/index.php/SRJ/article/view/3140