EL GUABASSI, I.; AL ACHHAB, M.; JELLOULI, I.; EL MOHAJIR, B. E. Personalized Ubiquitous Learning via an Adaptive Engine. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 13, n. 12, p. pp. 177–190, 2018. DOI: 10.3991/ijet.v13i12.7918. Disponível em: https://online-journals.org/index.php/i-jet/article/view/7918. Acesso em: 22 jan. 2022.