AISSAOUI, Karima; ETTIFOURI, El Hassane; AZIZI, Mostafa. EXPEL Protocol Based Architecture for Cooperative E-Learning. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 11, n. 10, p. pp. 59–64, 2016. DOI: 10.3991/ijet.v11i10.5543. Disponível em: https://online-journals.org/index.php/i-jet/article/view/5543. Acesso em: 22 nov. 2024.