Onsarn, A., S. Mattaraj, W. Dechapanya, K. Ratanapongleka, S. Sanongraj, and T. Rattanaweerapan. “Effect of pH by Manganese Salts and Natural Organic Matter on Nanofiltration Membrane Fouling”. Engineering and Technology Horizons, vol. 40, no. 4, Dec. 2023, p. 400411, doi:10.55003/ETH.400411.