STERGAR, Janez. Item Modeling Concept Based on Multimedia Authoring. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 3, n. 3, p. pp. 21–26, 2008. DOI: 10.3991/ijet.v3i3.243. Disponível em: https://online-journals.org/index.php/i-jet/article/view/243. Acesso em: 2 may. 2024.