Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1008-4282|19|6|41-47

ISSN： 1008-4282

Source： 石油化工管理干部学院学报, Vol.19, Iss.6, 2017-01, pp. : 41-47

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