1. A study of the relative effectiveness of three modes of presentation in farm broadcasting Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Knight, A.J. (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: 5 Document Number: B00616 Journal Title: Indian Journal of Extension Education Journal Title Details: 10 (1/2) : 13-19 Notes: AgComm Teaching