1. Department of Management, Economic College Hunan University Changsha Hunan Province China
2. Department of Economics Forman Christian College, University Lahore Pakistan
3. Department of Economics National University of Modern Languages Islamabad Pakistan
4. Department of Mathematics, Turabah University College Taif University Taif Saudi Arabia
5. Department of Statistics, Faculty of Science University of Tabuk Tabuk Saudi Arabia
6. Department of Business Management, School of Management Zhejiang Shuren University Zhejiang China