1. School of Business and Economics, Duy Tan University, Danang, Vietnam
2. Institute of Theoretical and Applied Research, School of Business and Economics, Duy Tan University, Danang, Vietnam
3. Department of Economics, Thuongmai University, Hanoi, Vietnam
4. Faculty of Marketing, Thuongmai University, Hanoi, Vietnam
5. School of Economics and Management, Hanoi University of Science and Technology, Hanoi, Vietnam