MUHAMMAD RAFID MAHDI. The effect of parallel exercises of play employing a device designed to improve the accuracy and strength of the serving skill and forehand & backhand groundstrokes in tennis. Czech Journal of Multidisciplinary Innovations, [S. l.], v. 15, p. 15–27, 2023. Disponível em: https://peerianjournal.com/index.php/czjmi/article/view/511. Acesso em: 11 jan. 2025.