Jawad, Abbas Fadhil, and Abaas Ali Athaab. 2021. “Analytical Study of Spiking and Its Relation With Tactical Performance Of Blockers in Iraqi Volleyball Primer League (2020 – 2021)”. Journal of Physical Education 33 (4): 208-18. https://doi.org/10.37359/JOPE.V33(4)2021.1226.