BOONE, Harry N.; NEWCOMB, L. H. Effects Of Approach To Teaching On Student Achievement, Retention And Attitude. Journal of Agricultural Education, [S. l.], v. 31, n. 4, p. 9–14, 1990. DOI: 10.5032/jae.1990.04009. Disponível em: https://jae-online.org/index.php/jae/article/view/2199. Acesso em: 22 nov. 2024.