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发布日期:1997
关键词:AREI;natural resources;...
发布机构:United States Department of Agriculture
作者:Paul Heisey
发布日期:2001
关键词:Developing countries;public research;...
发布机构:United States Department of Agriculture
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作者:Keith Wiebe andNoel Gollehon
发布日期:2006
关键词:AREI;agricultural economics;...
发布机构:United States Department of Agriculture
4 Biotechnology and Food Security [科技报告]
作者:Lorraine Mitchell
发布日期:2001
关键词:Biotechnology;Developing countries;...
发布机构:United States Department of Agriculture
作者:Rosanna Mentzer Morrison
发布日期:2016
关键词:Essentials;charts;...
发布机构:United States Department of Agriculture
作者:Ralph Heimlich
发布日期:2003
关键词:AREI;agricultural economics;...
发布机构:United States Department of Agriculture