Hashim Ashour A. The Psychological barriers and their relationship to the accuracy of serving skills among national tennis team players. MJPES [انترنت]. 15 مارس، 2026 [وثق 6 أكتوبر، 2026];31(1):190-9. موجود في: https://www.uomisan.edu.iq/jsport/index.php/jsport/article/view/667