JACKSON, Lyman E. Programmed Instruction In Agricultural Education. Journal of Agricultural Education, [S. l.], v. 3, n. 2, p. 24–25, 1962. DOI: 10.5032/jaatea.1962.02024. Disponível em: https://jae-online.org/index.php/jae/article/view/1012. Acesso em: 13 jul. 2024.