M. Walid, Uday Abdul-Hussein, and B. I. Hameed, “The Percentage of the Contribution of the Conceptual Fluency with the Accuracy of Some Offensive Technical Skills in Volleyball Original Scientific Paper”, Psychosocial rehabilitation, vol. 24, no. 8, pp. 15257–15264, Oct. 2020, doi: 10.61841/ns78y923.