م.د قيصر محمـد مهدي م.د قيصر محمـد مهدي and م.م محمـد قيصر محمـد م.م محمـد قيصر محمـد 2026. The effect of special exercises in developing the accuracy of performing some basic volleyball skills for young players. Wasit Journal of Sports Sciences. 28, 2 (Jun. 2026), 209–224. DOI:https://doi.org/10.31185/wjoss.1183.