Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1674-0025|11|4|21-25

ISSN： 1674-0025

Source： 北京劳动保障职业学院学报, Vol.11, Iss.4, 2017-01, pp. : 21-25

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