BARRICK, R. Kirby. Analysis Of State FFA Degree Scoring. Journal of Agricultural Education, [S. l.], v. 25, n. 4, p. 33–44, 1984. DOI: 10.5032/jaatea.1984.04033. Disponível em: https://jae-online.org/index.php/jae/article/view/253. Acesso em: 28 oct. 2024.