Li, Mingjun
Liu, Ya
Liu, Lu
Wang, Zhenhong
Funding for this research was provided by:
The Ministry of Education Research of Social Sciences Youth Funded Projects, China (14YJC190011)
The Projects of Philosophy and Social Science Fund of Shanxi Province, China (13N023)
The College Students’ Innovation Training Program of Shaanxi Province, PRC (2015DC037 & 2310)