Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1671-816x|15|9|665-670

ISSN： 1671-816x

Source： 山西农业大学学报：社会科学版, Vol.15, Iss.9, 2016-01, pp. : 665-670

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