CHRISTMAS, Oren L. The Level Of Agreement Among Superintendents, Principals, And Instructors Concerning Adult Agricultural Education. Journal of Agricultural Education, [S. l.], v. 31, n. 3, p. 43–46, 1990. DOI: 10.5032/jae.1990.03043. Disponível em: https://jae-online.org/index.php/jae/article/view/1101. Acesso em: 4 aug. 2026.