FRAMBACH, D. B.; TEIXEIRA DE OLIVEIRA, M. F. The philosophical basis of optimism in Distance Education. Education Policy Analysis Archives, [S. l.], v. 26, p. 113, 2018. DOI: 10.14507/epaa.26.3808. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/3808. Acesso em: 25 apr. 2024.