Author(s): |
Dong-mei XIE, School of Economy and Management, Southwest Jiao-tong University, Chengdu, China, 610031 Li-li FAN, School of Economy and Management, Southwest Jiao-tong University, Chengdu, China, 610031 Jia-bin YI, School of Economy and Management, Southwest Jiao-tong University, Chengdu, China, 610031 |