文章摘要
Grain-producing capacity of North China areas was analysed by using SWOT strategys and security effective measure was proposes
  
DOI:10.3969/j.issn.1004-874X.2011.10.075
Author NameAffiliation
李刘艳 河南师范大学经济与管理学院,河南新乡,453007 
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