1. Factors contributing to the farmers' productivity of crops Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Ray, G.L. (author) and Sagar, R.L. (author) Format: Journal article Publication Date: 1984 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 128 Document Number: C18921 Journal Title: Indian Journal of Extension Education Journal Title Details: 20(1/2) : 20-28