G. L. RAY. Contact of Extension Officers with Different Sources of Agricultural Information in.-West Bengal. Indian Journal of Extension Education, India, v. 11, n. 1-2, p. 65–66, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/160406. Acesso em: 15 jul. 2026.