Pre-primary Education versus the Level of Children's Physical Activity doc. PhDr. Ludmila Miklánková, Ph.D., RNDr. Milan Elfmark, doc. Mgr. Erik Sigmund, Ph.D., Miroslav Górny (Author) 2024-11-04 https://doi.org/10.5507/magister.2016.69 p. 77-91