ALI JAWAD KHALAF. The effect of psychological endurance exercises on developing the skills of serving and spoiling with volleyball for cups players. Modern Sport, [S. l.], v. 20, n. 2, p. 0082–0090, 2021. DOI: 10.54702/msj.2021.20.2.0082. Disponível em: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/793. Acesso em: 1 apr. 2025.