1. Effectiveness of visual aids in relation to agrarian practices Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Dubey, V.K. (author), Chaturvedi, J. (author), and Sharan, I. (author) Format: Journal article Publication Date: 1973 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C18760 Journal Title: Indian Journal of Extension Education Journal Title Details: 9 (1/2) : 75-79