1. Department of Economics, Faculty of Business and Finance, Universiti Tunku Abdul Rahman (Kampar Campus), Jalan Universiti, Kampar, Perak Darul Ridzuan, Malaysia
2. China-ASEAN Research Institute of Guangxi University, Nanning, Guangxi, P. R. China, China
3. Centre for Human Resource Studies, Faculty of Economics and Management, Universiti Kebangsaan Malaysia, Bangi Selangor, Malaysia