nbraz younis, Lazim A. The effect of using aids manufactured to perform the maximum speed of the hands in learning the skill of hitting baseball for ages (under 12 years). jope [Internet]. 2023 Sep. 28 [cited 2026 Jul. 8];35(3):628–619. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1526