Hassan Al-Hargani, H. A., Zahedi, H., Shayyal Al-Zubaidi, A. R., & Badami, R. "Effect of Skill Level and Gender on Execution Accuracy and Psychological Components of Young Volleyball Players", Sports Psychology, 17, 1, 2025, 47–64. doi: 10.48308/mbsp.2025.210041.0