PEPPLE, Jerry D.; VALDEZ, Constanza M.; LAW, Dale A. Agricultural Employment In The Illinois Food And Fiber System. Journal of Agricultural Education, [S. l.], v. 32, n. 3, p. 9–16, 1991. DOI: 10.5032/jae.1991.03009. Disponível em: https://jae-online.org/index.php/jae/article/view/994. Acesso em: 22 feb. 2025.