KRAJEWSKA, Małgorzata, GALIJEWSKA, Katarzyna, KRAJEWSKI, Stanisław and KUCHARCZUK-KOPYCIŃSKA, Magda. 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. Online. 31 December 2016. Vol. 6, no. 13, pp. 115-126. [Accessed 27 July 2024].