Waedala Ali W, ولید, Ameen E, احسان. Effect of using some assistant instrument in order to get the art of accuracy and performance of some basic skills in tennis. RJSS [Internet]. 2025 Jun. 24 [cited 2025 Aug. 4];12(42):294-317. Available from: https://ojs.uomosul.edu.iq/index.php/rjss/article/view/10855