1. Faculty of Environmental Management, Prince of Songkla University, Hat Yai, Thailand
2. Faculty of Economics, Prince of Songkla University, Hat Yai, Thailand
3. Institute for Studies and Development Worldwide (IFSD), Blacktown, NSW, Australia
4. Department of Accounting, Finance & Economics, Tarleton State University, Stephenville, TX, USA
5. Sustainable Studies and Research Institute, Kathmandu, Nepal