Hossin dawood, H., E. S. El-Sherbiny, and D. Ali. “The Dark Tetrad, Moral Disengagement, Boredom Proneness and Cyberbullying for University Students "Relations and Intervention"”. International Journal of Research in Educational Sciences., Vol. 8, no. 1, Dec. 2024, pp. 217 -8, http://iafh.net/index.php/IJRES/article/view/498.