BUZZELLI, S. The "Sigma Test": a new methodology for evaluating a tennis player . ITF Coaching & Sport Science Review , London, U.K., v. 28, n. 82, p. 3–6, 2020. DOI: 10.52383/itfcoaching.v28i82.7. Disponível em: https://itfcoachingreview.com/index.php/journal/article/view/7. Acesso em: 18 apr. 2024.