Cubric, Marija, and Vibha Tripathi. “A Framework for Creating Semantically Adaptive Collaborative E-Learning Environments”. International Journal of Emerging Technologies in Learning (iJET) 4, no. 3 (September 12, 2009): pp. 4–7. Accessed May 2, 2024. https://online-journals.org/index.php/i-jet/article/view/823.