Karharman, A. and Bayansalduz, M. (2024) “INVESTIGATION OF THE EFFECT OF POSITIVE PERCEPTION AND MENTAL TOUGHNESS LEVELS ON MOTIVATION OF SUCCESS IN ELITE MOUNTAIN RUNNING ATHLETES”, Acta Scientiae et Intellectus , 6(2), pp. 7–17. Available at: http://actaint.com/index.php/pub/article/view/198 (Accessed: 20 July 2024).