HILLISON, John. Whatever Happened To The Supervisor Of The Smith-Hughes Man?. Journal of Agricultural Education, [S. l.], v. 40, n. 2, p. 55–63, 1999. DOI: 10.5032/jae.1999.02055. Disponível em: https://jae-online.org/index.php/jae/article/view/558. Acesso em: 16 aug. 2024.