J. Vasantha Kumar and D. Somasundaram. “Communication Behaviour of Tribal Leaders and Their Followers in Progressive and Less Progressive Settlements”. Indian Journal of Extension Education 24, no. 3-4 (December 31, 1988): 9–15. Accessed July 15, 2026. https://epubs.icar.org.in/index.php/IJEE/article/view/161638.