Zularisam, A. W., A. F. Ismail, M. R. Salim, and M. Sakinah. 2008. “Foulant Analyses of Ultrafiltration (UF) Membrane Fouled With Natural Organic Matter (NOM) of Ulu Pontian River and Bekok Dam Reservoir”. Malaysian Journal of Science 27 (2):83-90. http://mojes.um.edu.my/index.php/MJS/article/view/9213.