Ouras Neama Hassan, Aseel Naji Fahd, and Saeed Hussein Hassan. 2019. “Psychological Compatibility and Skillful Self-Performance and Their Relationship With the Accuracy of the Smash Shot in Badminton”. Modern Sport 18 (3): 417-28. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1600.