Changes in physical fitness in pre-school children involved in different forms of physical activity - Umiastowska, Danuta; Szczepaniak, Wioletta ("Movement in Human Life and Health" : 14 International Scientific Conference of Sport Kinetics 2018 : Poreč, Croatia, 24th - 27th, June 2018 : proceedings, 2018)
Keywords: swimming; pływanie; sporty walki; dzieci w wieku 4-5 lat; tańce; children aged 4-5; martial arts; dancing