خالد عبد الحسن مصطفى. “The Effect of Exercises (mental - Skill) According to Mental Alertness in Learning Rolling and Scoring Skills for Football Players Aged 15-16 Years”. Wasit Journal of Sports Sciences, vol. 23, no. 1, Mar. 2025, pp. 740-57, https://doi.org/10.31185/wjoss.809.