Čillík, I., Kollár, R., Kremnický, J., Pivovarniček, P. and Mandzáková, M. 2021. The level of general physical performance and physical development of 7 and 10-year-old boys and girls. Journal of Human Sport and Exercise. 10, 1proc (Sep. 2021), S259-S268. DOI:https://doi.org/10.14198/jhse.2015.10.Proc1.13.