BARBOUR, Michael K. Principles of Effective Web-based Content for Secondary School Students: Teacher and Developer Perceptions. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 21, n. 3, p. 93–114, 2007. Disponível em: https://www.ijede.ca/index.php/jde/article/view/30. Acesso em: 27 apr. 2024.