Yang, Lu
Liu, Yang http://orcid.org/0000-0003-0780-8267
Funding for this research was provided by:
the Key Program of the National Statistical Science Research (No.2021LZ28)
Natural Science Foundation of Shaanxi Province (No.2022JQ-042)
Article History
Accepted: 6 July 2023
First Online: 1 August 2023