Hafith, Hatem Falih, and Firas Kassoub Rashid. “The Effect of Complex Exercises (physical Skill) in Developing Response Speed and Blocking Wall for Beach Volleyball Players”. International Journal of Psychosocial Rehabilitation 24, no. 9 (November 30, 2020): 1765–1777. Accessed January 11, 2026. https://www.psychosocial.com/index.php/ijpr/article/view/8899.