Authors
Gang Fang
Trade Circulation Institute, Anhui Business College, Hefei, China
Zhengce Cai
Department of Information Service, Anhui Business College, Hefei, China
© 2018 Gang Fang, Xianwei Li, Zhengce Cai, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.