Amr El Koshiry , A. E. x, E. . Eliwa, and H. A. . Hameed. “The Effectiveness of Using Blockchain Technology in Building High-Quality Educational Content Based on A Participatory Learning Environment and Its Impact on Increasing Student Achievement”. International Journal of Intelligent Systems and Applications in Engineering, vol. 11, no. 1, Jan. 2023, pp. 50-62, https://ijisae.org/index.php/IJISAE/article/view/2443.