Calvani, Antonio, Antonio Fini, Marcello Molino, and Maria Ranieri. “Gruppi Collaborativi Online: Come Valutare Interazioni efficaci”. Journal of e-Learning and Knowledge Society 3, no. 3 (October 16, 2012). Accessed March 29, 2024. http://je-lks.org/ojs/index.php/Je-LKS_EN/article/view/736.