Rosdi, A., F. A. Dahalan, L. Zhang Zhan, P. Babakhani, and S. Shams. “Characterization and Morphological Study of Microbes in Treated Palm Oil Mill Effluents”. Environmental and Toxicology Management, vol. 2, no. 3, Nov. 2022, pp. 1-5, doi:10.33086/etm.v2i3.3497.