PIASECKA, Agata; KOLMETZ, Maria; KOTYŚKO, Martyna; STANKIEWICZ, Błażej. Subjective and objective evaluation of one’s physical fitness – the role of self-esteem, motivation, and the need for social approval. Journal of Education, Health and Sport, [S. l.], v. 8, n. 1, p. 280–293, 2018. Disponível em: https://apcz.umk.pl/JEHS/article/view/5576. Acesso em: 3 apr. 2025.