THUEMMEL, William L.; WELTON, Richard F. Teacher Education Activity In International Agriculture: A National Assessment. Journal of Agricultural Education, [S. l.], v. 24, n. 2, p. 40–52, 1983. DOI: 10.5032/jaatea.1983.02040. Disponível em: https://jae-online.org/index.php/jae/article/view/1071. Acesso em: 21 jun. 2026.