GRIMM, N.-O.; TOMSCHI, F. Investigation of exercise intensity in competitive roundnet/spikeball. International Journal of Physical Education, Fitness and Sports, [S. l.], v. 8, n. 2, p. 1–7, 2019. DOI: 10.26524/ijpefs1921. Disponível em: https://ijpefs.org/index.php/ijpefs/article/view/254. Acesso em: 19 apr. 2024.