Puszczałowska-Lizis E, Musiał S, Lis K, Pociask K, Placek K. Life satisfaction and motives undertaking of physical activity by women aged 50-55 engaged in the fitness club. Health Prom Phys Act [Internet]. 2017 Dec. 28 [cited 2024 Jul. 3];1(1):87-95. Available from: https://journals.anstar.edu.pl/index.php/hppa/article/view/93