SWAN, Michael K. Summer Agricultural Program Activities. Journal of Agricultural Education, [S. l.], v. 38, n. 2, p. 59–64, 1997. DOI: 10.5032/jae.1997.02059. Disponível em: https://jae-online.org/index.php/jae/article/view/1135. Acesso em: 17 jul. 2024.