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A systems approach to agricultural extension in economic development as exemplified by an experiment with livestock farmers in Costa Rica

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1. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.254516

Identifer	oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:254516
Date	January 1990
Creators	Wadsworth, Jonathan
Publisher	University of Reading
Source Sets	Ethos UK
Detected Language	English
Type	Electronic Thesis or Dissertation