1. Impact of national demonstrations in the adoption of high yielding varieties of wheat Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Singh, R.P. (author) and Singh, K.M.P. (author) Format: Journal article Publication Date: 1974 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 128 Document Number: C18965 Journal Title: Indian Journal of Extension Education Journal Title Details: 10(1/2) : 64-67