TORRE, Daniela. Virtual Charter Schools: Realities and Unknowns. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 27, n. 1, 2013. Disponível em: https://ijede.ca/index.php/jde/article/view/838. Acesso em: 2 may. 2024.