M. Thanoon, Thamer, عامر, جاسم, and احمد. “Construction Scale of Sport Self- Efficiency and Its Relation With Practical Performance in Gymnastic Lesson”. Al-Rafidain Journal For Sport Sciences (RJSS) 15, no. 50: 135–164. Accessed September 27, 2025. https://jwups.uomosul.edu.iq/index.php/rjss/article/view/35572.