HARPER, Joe G.; WEISER, Robert G.; ARMSTRONG, Raymond F. Factors Associated With Western Region Agriculture Teachers’ Perceptions Of Teaching Effectiveness. Journal of Agricultural Education, [S. l.], v. 31, n. 4, p. 22–26, 1990. DOI: 10.5032/jae.1990.04022. Disponível em: https://jae-online.org/index.php/jae/article/view/2201. Acesso em: 22 feb. 2025.