ali, bahaadeen, and Ahmed Khamees Radhi. “Comparative Study of Accuracy and Speed of Backhand Slice in Tennis Players Aged 14 – 16 Years Old”. Journal of Physical Education 35, no. 1 (March 28, 2023): 165–171. Accessed May 19, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1380.