PRATAMA, Rivan Saghita et al. Content Validity of Android-Based Sport Training Program Monitor For Tennis Players . Sport and Tourism Central European Journal, [S. l.], v. 8, n. 2, p. 49–61, 2025. DOI: 10.16926/sit.2025.02.03. Disponível em: https://czasopisma.ujd.edu.pl/index.php/sport/article/view/2716. Acesso em: 9 jul. 2025.