Authors
Weidong Li
School of Economics & Management, Beijing Jiaotong University, Beijing, China
Olli-Pekka Hilmola
LUT University, Kouvola Unit, School of Economics & Management, Beijing Jiaotong University, Kouvola
© 2019 Weidong Li, Olli-Pekka Hilmola, published by Transport and Telecommunication Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.