1. Faculty of Civil Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 02600 Arau, Perlis, Malaysia
2. Centre of Excellence for Water Research and Environmental Sustainability Growth (WAREG), Universiti Malaysia Perlis (UniMAP), 02600 Arau, Perlis, Malaysia
3. Faculty of Science, Prince of Songkla University (PSU), Hat-Yai 90110, Thailand
4. Universiti Kuala Lumpur, Branch Campus Malaysian Institute of Chemical and Bioengineering Technology, Lot 1988, Kawasan Perindustrian Bandar Vendor, 78000 Alor Gajah, Melaka, Malaysia