PALS, Douglas A.; CRAWFORD, Harold R. Roles And Responsibilites Of Selected Agencies And Groups In Providing In-Service Education For Vocational Agriculture Instructors In Iowa. Journal of Agricultural Education, [S. l.], v. 21, n. 1, p. 26–33, 1980. DOI: 10.5032/jaatea.1980.01026. Disponível em: https://jae-online.org/index.php/jae/article/view/1751. Acesso em: 13 jul. 2024.