Keskin, Özlem, and Hakan Akdeniz. “Investigation of Aggression Levels of University Students (Kocaeli University Case)”. Asian Journal of Education and Training 4, no. 3 (September 14, 2018): 186–196. Accessed May 6, 2024. http://www.asianonlinejournals.com/index.php/EDU/article/view/341.