西北四省区规模奶牛场的技术经济和管理问题分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2095-3151|volume|58|41-51

ISSN: 2095-3151

Source: 经济研究参考, Vol.volume, Iss.58, 2015-01, pp. : 41-51

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Abstract