طلال محمد الراوي and سعد فاضل عبد القادر الحمداني 2025. Calculating Stability of Some Motor Features Using Re-Test Based on Physical Cycle of Biorhythm ( Comparative Study ). College of Basic Education Research Journal. 21, 3 (Sep. 2025), 509–525. DOI:https://doi.org/10.33899/berj.2025.Vol21.Iss3.53540.