Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1008-6927|17|3|F0002-F0002

ISSN： 1008-6927

Source： 河北农业大学学报：农林教育版, Vol.17, Iss.3, 2015-01, pp. : F0002-F0002

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