Khataybeh , A. . “Psychological Stress and Its Relationship to Skill and Cognitive Achievement in Gymnastics Among Students of the Department of Physical Education at Al Al-Bayt University”. Dirasat: Educational Sciences, vol. 48, no. 1, Mar. 2021, pp. 360-72, https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2602.