About this article
Published Online: Oct 04, 2023
Received: Nov 30, 2022
Accepted: Apr 14, 2023
DOI: https://doi.org/10.2478/amns.2023.2.00476
Keywords
© 2023 Yonghua Zhang, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Zhang, Yonghua
Development Planning Division, Yulin Normal UniversityYulin, China