1. Operational farm size and differential adoption of high yielding wheat varieties technology Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Choubey, C.L. (author) and Singh, K.N. (author) Format: Journal article Publication Date: 1974 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 44 Document Number: B05382 Journal Title: Indian Journal of Extension Education Journal Title Details: 10 (1/2) : 42-46 Notes: Evans, cited reference