Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1671-6639|volume|2|89-91

ISSN： 1671-6639

Source： 北京化工大学学报：社会科学版, Vol.volume, Iss.2, 2015-01, pp. : 89-91

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