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Rural Innovation Systems and Networks: Findings from a Study of Ethiopian Smallholders

David J. Spielman, Kristin E. Davis, Martha Negash, and Gezahegn Ayele

出版	Intl Food Policy Res Inst
主題	Social Science / Agriculture & Food
URL	http://books.google.com.hk/books?id=oSd1UqD_SkIC&hl=&source=gbs_api
EBook	SAMPLE