Milewska, N.; Wiśniowska-Szurlej, A.; Rejman, E.; Ćwirlej-Sozańska, A.; Wilmowska-Pietruszyńska, A. Leisure Time Physical Activity of 11-Year-Old Children from the District of Rzeszow. Eur J Clin Exp Med 2016, 14, 382–391.