BIRKENHOLZ, Robert J.; SIMONSEN, Jon C. Characteristics of Distinguished Programs of Agricultural Education. Journal of Agricultural Education, [S. l.], v. 52, n. 3, p. 16–26, 2011. DOI: 10.5032/jae.2011.03016. Disponível em: https://jae-online.org/index.php/jae/article/view/657. Acesso em: 16 jul. 2024.