aldabbagh, Muafaq, موفق, Ali Al_Mashhadani, and علی. 2025. “Effect of Specific Endurance Exercises By Divided The Body In to Upper and Lower Style on a Number of Physical Variables and Achieving in (50) Meter Breast Stroke Swimming of Juniors”. Al-Rafidain Journal For Sport Sciences (RJSS) 20 (65):117-44. https://doi.org/10.33899/rajsport.2014.89575.