Jankowska, P. and Rudnicka-Drożak, E. (2018) “Physical activity and health behaviors of children from 4-6 classes of primary school living in the villages of the Lublin and Lodz voivodeships”., Journal of Education, Health and Sport, 8(8), pp. 642–649. Available at: https://apcz.umk.pl/JEHS/article/view/5782 (Accessed: 7 February 2026).