Calvani, Antonio, Antonio Fini, and Marcello Molino. “Assessing Online Collaborative Groups Within Institutional Contexts: A Pluridimensional Approach”. Journal of e-Learning and Knowledge Society 6, no. 2 (June 18, 2010). Accessed April 23, 2024. https://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/424.