Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1672-464x|25|3|61-64

ISSN： 1672-464x

Source： 北京电子科技学院学报, Vol.25, Iss.3, 2017-01, pp. : 61-64

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