Kassim Shaari, N.Z. , Alias, N.H. , Mohd Zainuddin, N.A.F. and Chik, N.S.I. 2023. Removal of Manganese Ion Using Integral Membrane Incorporated with Rice Husk Ash. Scientific Research Journal. 20, 1 (Mar. 2023), 125–143. DOI:https://doi.org/10.24191/srj.v20i1.20332.