京津冀现代农业区域协作的战略思考

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1671-7252|29|2|5-10

ISSN: 1671-7252

Source: 北京农业职业学院学报, Vol.29, Iss.2, 2015-01, pp. : 5-10

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Abstract