WILLIAMS, David L.; WISE, Kenneth L. Perceptions Of Iowa Secondary School Agricultural Education Teachers And Students Regarding Sustainable Agriculture. Journal of Agricultural Education, [S. l.], v. 38, n. 2, p. 15–20, 1997. DOI: 10.5032/jae.1997.02015. Disponível em: https://jae-online.org/index.php/jae/article/view/1130. Acesso em: 14 sep. 2024.