SOFTIC, Selver. Towards identifying Collaborative Learning groups using Social Media. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 7, n. S2, p. pp. 15–21, 2012. DOI: 10.3991/ijet.v7iS2.2325. Disponível em: https://online-journals.org/index.php/i-jet/article/view/2325. Acesso em: 28 apr. 2024.