COOPER, J. R. The CyberFrontier and America at the turn of the 21st century: Reopening Frederick Jackson Turner’s frontier. First Monday, [S. l.], v. 5, n. 7, 2000. DOI: 10.5210/fm.v5i7.768. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/768. Acesso em: 8 dec. 2021.