HORNE , E.; HAUGEN, M. The commitment Challenger Tour players make as junior athletes. ITF Coaching & Sport Science Review , London, U.K., v. 27, n. 79, p. 3–6, 2019. DOI: 10.52383/itfcoaching.v27i79.73. Disponível em: https://itfcoachingreview.com/index.php/journal/article/view/73. Acesso em: 4 may. 2024.