Al-Fayoumi, Moustafa, and Sattar J Aboud. “An Efficient E-Exam Scheme”. International Journal of Emerging Technologies in Learning (iJET) 12, no. 04 (April 28, 2017): pp. 153–162. Accessed April 24, 2024. https://online-journals.org/index.php/i-jet/article/view/6719.