Calvani, Antonio, Antonio Fini, Giovanni Bonaiuti, and Elvis Mazzoni. “Monitoring Interactions in Collaborative Learning Environments (CSCL): A Tool Kit for Synergeia”. Journal of e-Learning and Knowledge Society 1, no. 1 (October 5, 2012). Accessed August 5, 2020. http://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/658.