文章摘要
Calculation of the comparative advantage of Yantai apple and regional comparative analysis
  
DOI：10.3969/j.issn.1004-874X.2012.08.058
Author NameAffiliation
宋君, 李玫瑰 中国农业大学烟台研究院,山东烟台,264670
中国农业大学烟台研究院,山东烟台264670
山东省烟台农业学校,山东烟台264670 
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