Development of tennis skills training based on trainer model for beginner athletes. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 9, n. 3, p. 496–513, 2023. DOI: 10.29407/js_unpgri.v9i3.21634. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/21634. Acesso em: 18 may. 2025.