J. JOHN KNIGHT AND.K.N. SINGH. A Study of the Relative Effectiveness of Three Modes of Presentation in Farm Broadcasting. Indian Journal of Extension Education, India, v. 10, n. 3-4, p. 13–19, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/162139. Acesso em: 15 jul. 2026.