Hamza M, Turky T, Hamza J. The Effect of Using a Teaching Aid on Learning Backswing to Handstand on Rings in Youth Artistic Gymnastics. jope [Internet]. 2022 Mar. 28 [cited 2024 May 2];34(1):15-22. Available from: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1232