Barker, Tim. “Collaborative Learning in Virtual Learning Environments: Supporting High Quality Educational Interaction [linked With the Community Task Force, i.E. CHALCS]”. Proceedings of the International Conference on Networked Learning 1 (April 20, 1998): P.xvii-P.xviii. Accessed February 19, 2026. https://journals.aau.dk/index.php/nlc/article/view/9929.