KOPSIC, D. Exercises to Learn and Correct the Serve. ITF Coaching & Sport Science Review , London, U.K., v. 21, n. 59, p. 34–38, 2013. DOI: 10.52383/itfcoaching.v21i59.446. Disponível em: https://itfcoachingreview.com/index.php/journal/article/view/446. Acesso em: 18 may. 2024.