Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1671-6116|volume|1|29-33

ISSN： 1671-6116

Source： 北京林业大学学报：社会科学版, Vol.volume, Iss.1, 2016-01, pp. : 29-33

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next