LU, P.; CONG, X.; ZHOU, D. E-learning-Oriented Software Architecture Design and Case Study. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 10, n. 4, p. pp. 59–65, 2015. DOI: 10.3991/ijet.v10i4.4698. Disponível em: https://online-journals.org/index.php/i-jet/article/view/4698. Acesso em: 3 oct. 2022.