中国政府主导型可追溯系统和企业主导型可追溯系统对比研究——以北京和山东企业调研为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-4433|volume|2|9-14

ISSN: 1002-4433

Source: 世界农业, Vol.volume, Iss.2, 2017-01, pp. : 9-14

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Abstract