الفايدي محمد رجب, محمد مصطفى فرج, and يوسف فتحي المهشهش. “The Effect of a Proposed Training Program Using the Rubber Ropes and Medical Balls on the Growth of Skeletal Muscle Cells and Some Elements of Physical Fitness for Open Water Swimming Juniors”. Tobruk University Journal of Social and Human Sciences, no. 7 (July 15, 2021): 32–59. Accessed August 11, 2025. https://journals.tu.edu.ly/tujsh/index.php/JSHS/article/view/336.