Mokri, Alaeddine. “Design and Implementation of a Virtual Calculation Centre (VCC) for Engineering Students”. International Journal of Online and Biomedical Engineering (iJOE) 6, no. 1 (January 24, 2010): pp. 18–23. Accessed May 2, 2024. https://online-journals.org/index.php/i-joe/article/view/1062.