1. School of Humanities and Social Sciences, Bansomdejchaopraya Rajabhat University, Thonburi, Bangkok 10600, Thailand
2. Guangxi Vocational and Technical College of Quality and Engineering, Nanning, Guangxi 530000, P. R. China
3. Guangxi Vocational and Technical College of Market Quality, Nanning, Guangxi 530000, P. R. China
4. Guangxi Technological College of Machinery and Electricity, Nanning, Guangxi 530100, P. R. China
5. School of Information Engineering, Baise University, Baise, Guangxi 533000, P. R. China
6. Guangxi International Business Vocational College, Nanning, Guangxi 530007, P. R. China
7. Guangxi Vocational College of Finance, Nanning, Guangxi 530000, P. R. China