Radin Mohamed, R., N. Abdul Rahman, and A. H. Mohd Kassim. “<i>Moringa Oleifera </i>and <i>Strychnos Potatorum</I> Seeds As Natural Coagulant Compared With Synthetic Common Coagulants in Treating Car Wash Wastewater: Case Study 1”. Asian Journal of Applied Sciences, vol. 2, no. 5, Oct. 2014, https://www.ajouronline.com/index.php/AJAS/article/view/1663.