VALLE GARCÍA , C. . Circuit training for 12 and under tennis players: an- court exercise proposal. ITF Coaching & Sport Science Review , London, U.K., v. 28, n. 80, p. 31–34, 2020. DOI: 10.52383/itfcoaching.v28i80.67. Disponível em: https://itfcoachingreview.com/index.php/journal/article/view/67. Acesso em: 1 may. 2024.