À propos de cet article
Publié en ligne: 20 août 2020
Pages: 483 - 492
Reçu: 28 nov. 2019
Accepté: 01 févr. 2020
DOI: https://doi.org/10.2478/amns.2020.2.00024
Mots clés
© 2020 Zhangjie Sun, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Sun, Zhangjie
Faculty of Management and Economics, Kunming University of Science and TechnologyKunming, China