国内外籽种产业发展比较研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-4433|volume|4|46-50
ISSN: 1002-4433
Source: 世界农业, Vol.volume, Iss.4, 2015-01, pp. : 46-50
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Abstract