EKSTROM, G. F. National Student Teacher Conference 1952-1967. Journal of Agricultural Education, [S. l.], v. 9, n. 2, p. 19–20, 1968. DOI: 10.5032/jaatea.1968.02019. Disponível em: https://jae-online.org/index.php/jae/article/view/685. Acesso em: 21 oct. 2024.