Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1674-6198|29|3|50-51

ISSN： 1674-6198

Source： 延安职业技术学院学报, Vol.29, Iss.3, 2015-01, pp. : 50-51

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