CAWTHON, S. W.; LOCKHART, L.; KAYE, A.; BERETVAS, T. Factor Structure of Opportunity to Learn for Students with and without Disabilities. Education Policy Analysis Archives, [S. l.], v. 20, p. 41, 2012. DOI: 10.14507/epaa.v20n41.2012. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/1043. Acesso em: 27 sep. 2022.