SMITH, Keith L.; KAHLER, Alan A. Iowa Adult Farmer’s Perception Of The Value Of Educational Programs. Journal of Agricultural Education, [S. l.], v. 23, n. 3, p. 41–50, 1982. DOI: 10.5032/jaatea.1982.03041. Disponível em: https://jae-online.org/index.php/jae/article/view/368. Acesso em: 19 aug. 2024.