NIECZUJA-DWOJACKA, Joanna; GRZELAK, Joanna; SINIARSKA, Anna; CHWAŚCIŃSKA, Kamila. Physical activity of Warsaw youth. Studia Ecologiae et Bioethicae, [S. l.], v. 13, n. 3, p. 67–84, 2015. DOI: 10.21697/seb.2015.13.3.04. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/1966. Acesso em: 5 dec. 2025.