Harasimowicz, Joanna, Paweł Harasimowicz, Agata Wawryków, Katarzyna Korabiusz, and Monika Stecko. 2019. “Motor Fitness of Young Children Undergoing General Development Exercises”. Journal of Education, Health and Sport 9 (6):452-55. https://apcz.umk.pl/JEHS/article/view/7057.