ELLIS, Willie T. Book Reviews. Journal of Agricultural Education, [S. l.], v. 13, n. 2, p. 29–30, 1972. DOI: 10.5032/jaatea.1972.02029. Disponível em: https://jae-online.org/index.php/jae/article/view/680. Acesso em: 14 sep. 2024.