O’SHEA, Des. Radio Baha’i Ecuador, Kurt John Hein. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 4, n. 1, p. 86–90, 1989. Disponível em: https://ijede.ca/index.php/jde/article/view/533. Acesso em: 22 jul. 2024.