Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1672-2434|14|4|24-26

ISSN： 1672-2434

Source： 常州信息职业技术学院学报, Vol.14, Iss.4, 2015-01, pp. : 24-26

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