1. Department of Tourism Management, Business School, Guangxi University, No. 100 East Daxue Road, Nanning 530004, China
2. Guangxi Development Strategy Institute, Nanning 530004, China
3. Department of Tourism Management, Business School, Guangxi University of Finance and Economics, Nanning 530008, China
4. Airline Business Program, School of Tourism and Hospitality Management, Suan Dusit University, Bangkok 10300, Thailand