1. Evolution of agricultural extension and information dissemination in Peru: an historical perspective focusing on potato-related pest control Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Ortiz, Oscar (author) Format: Journal article Publication Date: 2006-12 Published: Peru Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 155 Document Number: C25286 Journal Title: Agriculture and Human Values Journal Title Details: 23(4) : 477-489