HEZEL, Richard T.; MILLER, Karen R. The Formative Evaluation of a University Videotext System. Canadian Journal of Learning and Technology, [S. l.], v. 16, n. 1, 2009. DOI: 10.21432/T2NS5Q. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/26867. Acesso em: 2 apr. 2026.