农业科技示范推广在发展山西农业中的作用和意义

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-1248|28|1|8-10

ISSN: 1002-1248

Source: 农业图书情报学刊, Vol.28, Iss.1, 2016-01, pp. : 8-10

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Abstract