STEFANIAK, T.; HARMACIŃSKI, D.; GROFFIK, B.; PAWLAK, G. Ocena preferowanych predyspozycji trenera personalnego = Rating preferred predisposition personal trainer. Journal of Education, Health and Sport, [S. l.], v. 6, n. 9, p. 224–235, 2016. Disponível em: https://apcz.umk.pl/JEHS/article/view/3812. Acesso em: 27 jul. 2024.