1. Interdisciplinary Graduate School of Energy Systems (IGES), Prince of Songkla University, Hat Yai, Songkhla, Thailand
2. Environmental Protection Department, Environmental Management Agency, Harare, Zimbabwe
3. Department of Geo-resources and Geotechnical Engineering, Institute of Technology of Cambodia, Phnom Penh, Cambodia
4. Research Unit of Water and Environment, Institute of Technology of Cambodia, Phnom Penh, Cambodia
5. Environmental Assessment and Technology for Hazardous Waste Management Research Center, Faculty of Environmental Management, Prince of Songkla University, Hat Yai, Songkhla, Thailand
6. Research Program: Municipal Solid Waste and Hazardous Waste Management, Center of Excellence on Hazardous Substance Management (HSM), Bangkok 10330, Thailand