INAAM ABDUL-RIDHA ALI; SUHAD QASSIM AL-MUSAWI; ABEER DAKHIL HATEM. Effect of using flat hierarchical method on some aspects of muscular strength and straight serve skill for nascent tennis players. Modern Sport, [S. l.], v. 19, n. 2, p. 0008, 2020. DOI: 10.54702/msj.2020.19.2.0008. Disponível em: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/537.. Acesso em: 23 dec. 2024.