HEPBURN, G. Seeking an educational commons: The promise of open source development models. First Monday, [S. l.], v. 9, n. 8, 2004. DOI: 10.5210/fm.v9i8.1165. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/1165. Acesso em: 4 jul. 2022.