Tan Ai Wei, I., N. S. Jamali, and W. H. T. . Ting. “Phytoremediation of Palm Oil Mill Effluent (POME) Using Eichhornia Crassipes”. Journal of Applied Science &Amp; Process Engineering, vol. 6, no. 1, Mar. 2019, pp. 340-54, doi:10.33736/jaspe.1349.2019.