1. An appraisal of the knowledge level of block extension staff about extension programme planning Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Sandhu, A.S. (author) and Sohal, T. S. (author) Format: Journal article Publication Date: 1965 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 128 Document Number: C18957 Journal Title: Indian Journal of Extension Education Journal Title Details: 1(3) : 144-158