K. Narayana Gowdal, K.M. Jayaramaiah and N.R. Gangadharappa. “Impact of T & V-System”. Indian Journal of Extension Education 29, no. 1&2 (June 30, 1993): 128–131. Accessed July 15, 2026. https://epubs.icar.org.in/index.php/IJEE/article/view/161681.