Catasús, Montse Guitert, Ferran Giménez Prado, and Teresa Lloret Grau. “Learning & Working in a Co-Operative Virtual Environment”. Proceedings of the International Conference on Networked Learning 3 (March 26, 2002). Accessed January 22, 2025. https://journals.aau.dk/index.php/nlc/article/view/9732.