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ISSN:1466-4291|12|5|285-288

Routledge Ltd‎(2005)‎

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By Suter Jordan F.   Duke Joshua M.   Messer Kent D.   Michael Holly A.   in American Journal of Agricultural Economics

ISSN:0002-9092|94|5|1094-1112

Oxford University Press‎(2012)‎

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