Yang, Zhengguo
Wang, Jikui http://orcid.org/0000-0001-5926-7007
Li, Qiang
Yi, Jihai
Liu, Xuewen
Nie, Feiping
Funding for this research was provided by:
the research program of lanzhou university of finance and economics (Lzufe2020B-011)
Gansu unverisity innovation found project (2021B-147)
Open Project of the State Key Laboratory of Public Big Data (GZU-PBD2021-101)
Natural Science Foundation of Gansu Province (21JR11RA132)
Strategic Promotion of Innovative R and D (21YF5FA087)
Article History
Accepted: 20 March 2022
First Online: 7 May 2022