1. Behavioural characteristics of effective and ineffective gram sevikas Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Singh, R.P. (author) and Subhalakshmi, K. (author) Format: Journal article Publication Date: 1974 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 128 Document Number: C18938 Journal Title: Indian Journal of Extension Education Journal Title Details: 10(3/4) : 36-40