Ascari, Laura, Doris Fetscher, and Stefania Panini. “Polis: Collaborative Project-Work Environment”. Journal of e-Learning and Knowledge Society 1, no. 3 (October 7, 2012). Accessed November 24, 2024. https://je-lks.org/ojs/index.php/Je-LKS_EN/article/view/534.