Krajewska, Małgorzata, Katarzyna Galijewska, Stanisław Krajewski, and Magda Kucharczuk-Kopycińska. “The Relationship Between Physical Activity and Quality of Life of People in Age 25–30, 35–40 and 45-50”. Journal of Education, Health and Sport 6, no. 13 (December 31, 2016): 115–126. Accessed April 17, 2024. https://apcz.umk.pl/JEHS/article/view/4156.