1. School of Marxism, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 611731, China
2. School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 611731, China
3. Department of Logistics and Supply Chain Management, Ho Technical University, Ho P.O. Box HP 217, Ghana