Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1001-7348|32|24|131-137

ISSN： 1001-7348

Source： 科技进步与对策, Vol.32, Iss.24, 2015-01, pp. : 131-137

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