علاء جعفر م.م. فرح. Relaxation exercises based on pulse index and their effect on developing focus and achieving long distance bow and arrow players. Modern Sport, [S. l.], v. 19, n. 4, p. 0107, 2020. DOI: 10.54702/msj.2020.19.4.0107. Disponível em: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/646.. Acesso em: 3 may. 2024.