1. A study on professional competency and utility of subject matter specialists Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Jaiswal, N. K. (author), Singh, A.K. (author), and Singh, B.N. (author) Format: Journal article Publication Date: 1971-03 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C17405 Journal Title: Indian Journal of Extension Education Journal Title Details: 7 (1/2) : 60-64