Cieśla, Elżbieta, Magdalena Lelonek, Monika Zaręba, and Edyta Suliga. 2021. “Assessment of the Influence of Physical Activity and Screen Time on Somatic Features and Physical Fitness in 6 to 7-Year-Old Girls”. Anthropological Review 84 (4):443-65. https://doi.org/10.2478/anre-2021-0031.