SEWERYNIAK, Tomasz; NOWAK, Agnieszka; STOSIK, Aneta. Selected elements of motivational impact on sport performance in professional volleyball teams. Journal of Education, Health and Sport, [S. l.], v. 6, n. 8, p. 807–814, 2016. Disponível em: https://apcz.umk.pl/JEHS/article/view/3913. Acesso em: 28 jun. 2025.