Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1008-6927|17|5|60-63
ISSN: 1008-6927
Source: 河北农业大学学报:农林教育版, Vol.17, Iss.5, 2015-01, pp. : 60-63
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
Related content
渤海大学学报:哲学社会科学版, Vol. 38, Iss. 2, 2016-01 ,pp. :