Hamza, Mohameed, Thamer Turky, and Jamal Hamza. “The Effect of Using a Teaching Aid on Learning Backswing to Handstand on Rings in Youth Artistic Gymnastics”. Journal of Physical Education 34, no. 1 (March 28, 2022): 15–22. Accessed May 2, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1232.