Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1002-4433|volume|6|177-180

ISSN： 1002-4433

Source： 世界农业, Vol.volume, Iss.6, 2017-01, pp. : 177-180

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