1. School of Management, Faculty of Economics and Management, Universiti Kebangsaan Malaysia, Selangor, Malaysia
2. Majlis Amanah Rakyat, Kuala Lumpur, Malaysia
3. Graduate School of Business, Universiti Kebangsaan Malaysia, Selangor, Malaysia
4. Faculty of Management and Economics, Universiti Pendidikan Sultan Idris, Perak, Malaysia