The effect of group defense exercises on developing the speed of defensive movements for handball youth. Journal of the College of Basic Education, [S. l.], v. 29, n. 121, p. 387–369, 2023. DOI: 10.35950/cbej.v29i121.11008. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/11008.. Acesso em: 9 may. 2025.