Effect Of A 2v2 Small-Sided Game Exercise On Countermovement Jump Performance In Young Football Players. Journal of Namibian Studies : History Politics Culture, [S. l.], v. 36, p. 1099–1110, 2023. DOI: 10.59670/jns.v36i.4782. Disponível em: https://www.namibian-studies.com/index.php/JNS/article/view/4782. Acesso em: 3 nov. 2025.