Al-Harayzeh , Ja’far. “Level of Psychological Immunity and Its Relationship to Psychological Health Among Athletes at Al-Balqa Applied University”. Dirasat: Educational Sciences 47, no. 1 (March 1, 2020): 108–116. Accessed December 3, 2025. https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/1711.