NORRIS, Richard J.; BRIERS, Gary E. Perceptions of Secondary Agricultural Science Teachers Toward Proposed Changes in Agricultural Curricula in Texas. Journal of Agricultural Education, [S. l.], v. 30, n. 1, p. 32–43, 1989. DOI: 10.5032/jae.1989.01032. Disponível em: https://jae-online.org/index.php/jae/article/view/1769. Acesso em: 28 jun. 2026.