1. Department of Economics and Finance Sunway University Petaling Jaya Selangor Malaysia
2. International Data Corporation (IDC) Kuala Lumpur Malaysia
3. Faculty of Islamic Economics and Business State Islamic University Sunan Kalijaga Yogyakarta Indonesia
4. Taylor's Business School, Faculty of Business and Law Taylor's University Subang Jaya Selangor Darul Ehsan Malaysia
5. University of Economics and Human Science Warsaw Poland