JONES, Robert C. A Tool For Planning Instructional Programs. Journal of Agricultural Education, [S. l.], v. 2, n. 2, p. 5–7, 1961. DOI: 10.5032/jaatea.1961.02005. Disponível em: https://jae-online.org/index.php/jae/article/view/2027. Acesso em: 13 jul. 2024.