Daramola, M., Aransiola, E., Betiku, E., & Adeogun, A. (2011). Modelling Hydraulic Backwash In Ultrafiltration Process: A Statistical Approach. Ife Journal of Technology, 20(1), 8–11. Retrieved from http://ijt.oauife.edu.ng/index.php/ijt/article/view/73