J.P. BISEN AND 0. P. DAHAMA. Role, work load and training needs of Agricultural Extension Officers. Indian Journal of Extension Education, India, v. 1, n. 2, p. 139, 1965. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/159405. Acesso em: 5 jun. 2026.