1. Adaptation of the training and visit extension system to changing socio-cultural and agro-ecological conditions Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Blum, Abraham (author) and Isaak, Michel (author) Format: Journal article Publication Date: 1990-06 Published: International Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C23026 Journal Title: Journal of Extension Systems Journal Title Details: 6(1) : 45-66
2. The linkage problem: a comparative analysis of cocoa and maize technology systems in Ghana Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Annor-Frempong, C. (author) Format: Journal article Publication Date: 1990-12 Published: Ghana Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C18467 Journal Title: Journal of Extension Systems Journal Title Details: 6(2) : 42-52