Charles, Ashwin, and Chin Kui Cheng. “Recent Advances in Photocatalytic Treatment of Palm Oil Mill Effluent (POME): A Review”. International Journal of Engineering & Technology 7, no. 4.34 (December 13, 2018): 389–393. Accessed November 25, 2024. https://sciencepubco.com/index.php/ijet/article/view/26880.