NGATMAN, N.; HERMAWAN, H. A.; KOMARI, A. .; SOLIKHIN, M. N.; SUNARYO, sunaryo. Model of assessment instrument for basic techniques of serving, forehand and backhand groundstroke, forehand and backhand volley based on “acentos method” for junior tennis players in Yogyakarta region. Retos, [S. l.], v. 59, p. 584–594, 2024. DOI: 10.47197/retos.v59.103223. Disponível em: https://recyt.fecyt.es/index.php/retos/article/view/103223. Acesso em: 19 oct. 2024.