ROCZNIAK, Katarzyna; BABUŚKA–ROCZNIAK, Magdalena; WOJTANOWSKA–KACZKA, Magdalena; RACZ, Oliver; ROCZNIAK, Anna; LYUBINETS, Oleh; WIDUCHOWSKI, Wojciech; ROCZNIAK, Wojciech. Morphological and motor skills condition among 10-11 year old children engaged in cross-country skiing attending Sports Primary School in Suprasl. Journal of Education, Health and Sport, [S. l.], v. 10, n. 6, p. 68–81, 2020. DOI: 10.12775/JEHS.2020.10.06.007. Disponível em: https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.06.007. Acesso em: 22 may. 2026.