A.R. KHAN, S.K. SHARMA AND R.L. KHEREDE. Studies on the Effectiveness of Result Demonstration as a Medium of Diffusing Information Among the Tillers of the Soil-II. Indian Journal of Extension Education, India, v. 1, n. 3, p. 205–208, 1965. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/159621. Acesso em: 21 oct. 2025.