احمد خالد ا. and Mahfooth Abdulkader ز. . (2025) “The Effect of a Physical Training Curriculum Using the Second Part of the Second Zone of Interval Training Zones on Aerobic Efficiency, Fatigue Index, and Speed Endurance of Advanced Soccer Players”, Al-Rafidain Journal For Sport Sciences, 28(88), pp. 1–23. doi: 10.33899/rjss.v28i88.53578.