1. Department of Civil Engineering, Faculty of Engineering, Universiti Malaysia Sarawak, Sarawak, Malaysia
2. School of Civil Engineering, Universiti Sains Malaysia, Engineering Campus, Seri Ampangan, Penang, Malaysia
3. River Engineering and Urban Drainage Research Centre (REDAC), Higher Institution Centre of Excellence (HICoE) for Service, Universiti Sains Malaysia, Engineering Campus, Seri Ampangan, Penang, Malaysia