Kazim, Nas, and Temel Veysel. “Mental Toughness of Students: Levels of Hockey Players Mental Toughness of the Athletes”. Asian Journal of Education and Training 5, no. 1 (March 28, 2019): 224–228. Accessed November 23, 2024. http://asianonlinejournals.com/index.php/EDU/article/view/407.