甘州区1949-2007年粮食生产机制多因素分析
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1672-0520|31|3|41-45
ISSN: 1672-0520
Source: 河西学院学报, Vol.31, Iss.3, 2015-01, pp. : 41-45
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Abstract