نور عبد الكريم أحمد كريم 2026. The Effectiveness of the Challenge-Based Learning Strategy in Developing Self-Confidence and the Accuracy of the Lay-Up Shot in Basketball among Fifth-Grade Preparatory School Female Students. Mustansiriyah Journal of Sports Science. 8, 3 (Jul. 2026), 56–67. DOI:https://doi.org/10.62540/mjss.2026.3.8.5.