WAEDALA ALI, W.; AMEEN, E. Effect of using some assistant instrument in order to get the art of accuracy and performance of some basic skills in tennis. Al-Rafidain Journal For Sport Sciences, [S. l.], v. 12, n. 42, p. 294–317, 2006. DOI: 10.33899/rajsport.2006.163033. Disponível em: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50313. Acesso em: 2 oct. 2025.