1. Micro-Pollutant Research Centre (MPRC), Department of Water and Environmental Engineering, Faculty of Civil & Environmental Engineering, Universiti Tun Hussein Onn Malaysia, Batu Pahat, Malaysia;
2. Department of Structures and Water Resources, Faculty of Engineering, University of Kufa, Kufa, Iraq;
3. School of Civil Engineering, Universiti Sains Malaysia, Nibong Tebal, Malaysia