Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1005-8141|31|2|129-132

ISSN： 1005-8141

Source： 资源开发与市场, Vol.31, Iss.2, 2015-01, pp. : 129-132

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