Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1009-9972|volume|22|46-50

ISSN： 1009-9972

Source： 中国经贸, Vol.volume, Iss.22, 2015-01, pp. : 46-50

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