WASILUK, Agnieszka and SACZUK, Jerzy. Weightness of girls aged 10-12 from the lubelskie and podlaskie voivodship in the years 2006-2016–2021. Journal of Education, Health and Sport. Online. 22 May 2022. Vol. 12, no. 5, pp. 193-203. [Accessed 3 April 2025]. DOI 10.12775/JEHS.2022.12.05.014.