G.L. RAY AND R.K. SAMANTA. Preference of Extension Methods and Aids. Indian Journal of Extension Education, India, v. 29, n. 3&4, p. 12–16, 2025. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161169. Acesso em: 15 jul. 2026.