Graphic representation of open and distance education history. Global Journal of Information Technology: Emerging Technologies, [S. l.], v. 7, n. 3, p. 92–98, 2017. DOI: 10.18844/gjit.v7i3.2831. Disponível em: https://un-pub.eu/ojs/index.php/gjit/article/view/2831. Acesso em: 22 nov. 2024.