Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1673-940x|volume|11|68-71

ISSN： 1673-940x

Source： 科技创新与品牌, Vol.volume, Iss.11, 2017-01, pp. : 68-71

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