Regularities of Youngster Free Time Physical Activity in a Latvian Secondary School. Baltic Journal of Sport and Health Sciences, [S. l.], v. 2, n. 105, 2017. DOI: 10.33607/bjshs.v2i105.21. Disponível em: https://journals.lsu.lt/baltic-journal-of-sport-health/article/view/21. Acesso em: 7 apr. 2025.