1. Effectiveness of selected audio-visuals in teaching farmers about foliar spray of urea on wheat crop Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Rao, C.S.S. (author) and Rao, P.R.M. (author) Format: Journal article Publication Date: 1970 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 1 Document Number: B00101 Journal Title: Indian Journal of Extension Education Journal Title Details: 6 (1/2) : 50-55 Notes: AgComm Teaching
