Onsarn, Apinya, Supatpong Mattaraj, Wipada Dechapanya, Karnika Ratanapongleka, Sompop Sanongraj, and Tiammanee Rattanaweerapan. 2023. “Effect of pH by Manganese Salts and Natural Organic Matter on Nanofiltration Membrane Fouling”. Engineering and Technology Horizons 40 (4):400411. https://doi.org/10.55003/ETH.400411.