BETTIS, Mervin D.; CRAWFORD, Harold R. Experimental Development and Evaluation of a Shop Safety Attitude Scale. Journal of Agricultural Education, [S. l.], v. 13, n. 3, p. 22–28, 1972. DOI: 10.5032/jaatea.1972.03022. Disponível em: https://jae-online.org/index.php/jae/article/view/1531. Acesso em: 19 jul. 2024.