玉米经营规模与生产效率关系的研究——以吉林省玉米生产为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-6139|volume|5|16-18

ISSN: 1001-6139

Source: 农业经济, Vol.volume, Iss.5, 2015-01, pp. : 16-18

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Abstract