ARNOLD, Rolf. Will Distance Disappear in Distance Studies? Preliminary Considerations on the Didactic Relevance of Proximity and Distance. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 14, n. 2, p. 1–9, 2007. Disponível em: https://ijede.ca/index.php/jde/article/view/151. Acesso em: 1 may. 2024.