Authors
Yongxiong Zhang
Department of Economics and Trade, Guangzhou College of Technology and Business, GCTB, Guangzhou, China
Liangming Wang
School of Software Engineering South China, University of Technology, SCUT, Guangzhou, China
Yucong You
Department of Economics and Trade, Guangzhou College of Technology and Business, GCTB, Guangzhou, China
Luxia Yi
Department of Economics and Trade, Guangzhou College of Technology and Business, GCTB, Guangzhou, China