MEADERS, O. Donald. New Developments And Projects. Journal of Agricultural Education, [S. l.], v. 2, n. 1, p. 22–23, 1961. DOI: 10.5032/jaatea.1961.01022. Disponível em: https://jae-online.org/index.php/jae/article/view/1627. Acesso em: 14 sep. 2024.