Lian, Ling
You, Xuqun
Funding for this research was provided by:
the Philosophy and Social Sciences Research Project of Xi’an Polytechnic University (2015ZXSK02)
the 2011 Key Projects of Philosophy and Social Sciences Research, Ministry of Education (11JZD044)
the Specialized Research for the Doctoral Program of Higher Education (20130202110014)
the Shaanxi Science and Technology Department (2015KTZDSF02-02)
the Education Department of Shaanxi Provincial Government (2013JK0031)