MROZKOWIAK, M. J. How do parents perceive the schoolbag problem?. Pedagogy and Psychology of Sport, [S. l.], v. 6, n. 4, p. 151–162, 2020. DOI: 10.12775/PPS.2020.06.04.014. Disponível em: https://apcz.umk.pl/PPS/article/view/PPS.2020.06.04.014. Acesso em: 19 apr. 2024.