The effect of using the absolute training intensity equation to ration the intensity of the training unit for the stage of special preparation to develop some functional and skillful abilities of volleyball players. cbej [Internet]. 2022 Dec. 21 [cited 2024 Jul. 18];22(94):1003-32. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8420