Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1671-4644|17|2|14-17

ISSN： 1671-4644

Source： 南京工业职业技术学院学报, Vol.17, Iss.2, 2017-01, pp. : 14-17

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