Doulamis, Nikolaos, Christodoulos Psaltis, Anastasios Doulamis, Sofoklis Sotiriou, and Menelaos Sotiriou. “Technical Infrastructure of the COSMOS Portal”. International Journal of Emerging Technologies in Learning (iJET) 3, no. 1 (December 11, 2008): pp. 21–32. Accessed May 2, 2024. https://online-journals.org/index.php/i-jet/article/view/761.