Al-Jaber, K. A. H., and B. A. H. Shandal. “The Effect of Jumping Exercises (horizontal - Vertical) on Some Physical Kinematic Variables and the Achievement of the Effectiveness of the Long Jump”. International Journal of Health Sciences, vol. 6, no. S8, Sept. 2022, pp. 2760-8, doi:10.53730/ijhs.v6nS8.12636.