TENPAS, Henry; WARD, Darrell. An Exemplary Program. Journal of Agricultural Education, [S. l.], v. 9, n. 2, p. 20–23, 1968. DOI: 10.5032/jaatea.1968.02020. Disponível em: https://jae-online.org/index.php/jae/article/view/686. Acesso em: 22 feb. 2025.