م.م سجاد اياد هادي الحركاني م.س.ا.ه.ا. 2026. ’’Some motor skills and their relationship to the accuracy of performing the volleyball spike skill for players of the specialized center in Wasit Governorate’’. Wasit Journal of Sports Sciences. 27, 1 (Mar. 2026), 403–415. DOI:https://doi.org/10.31185/wjoss.1129.