Hao, Chunyan
Gao, Zefeng
Liu, XianJun
Rong, Zhijiang
Jia, Jingjing
Kang, Kaiqi
Guo, Weiwei
Li, Jianguo
Funding for this research was provided by:
the Shanxi Soft Science Research Program (2018041031-2)
the Educational Reform Project of Taiyuan University of Science and Technology (ZL2019002)
Article History
Received: 19 June 2020
Accepted: 26 October 2020
First Online: 16 November 2020
Competing interests
: The authors declare no competing interests.