Study on youth handball regulations: a documental analysis on the mandatory use of individual defensive system in under-12 and under-14 competitions. Journal of Physical Education (Maringá), [S. l.], v. 29, n. 1, p. e-2952, 2018. DOI: 10.4025/jphyseduc.v29i1.2952. Disponível em: https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/38301. Acesso em: 4 jun. 2026.