CLAYTON, G.; BINGHAM, A. J.; ECKS, G. B. Characteristics of the opt-out movement: Early evidence for Colorado. Education Policy Analysis Archives, [S. l.], v. 27, p. 33, 2019. DOI: 10.14507/epaa.27.4126. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/4126. Acesso em: 26 nov. 2024.