boubakre nouiri, N. . Al-Saedeey, A. Salman, و J. . hamza, "The effect of using a feedback device in teaching a skill such as standing on the hands and switching a half turn outward on the parallel bar", jope, م 36, عدد 2, ص 402–420, 2024, doi: 10.37359/JOPE.V36(2)2024.2165.