Ujma-Wąsowicz, Katarzyna. “Places of Physical Exercise As a Valuable Environment for Maintaining Physical and Intellectual Fitness of Older Persons”. Acta Universitatis Lodziensis. Folia Oeconomica, no. 297 (January 1, 2013): 55–64. Accessed December 7, 2025. https://czasopisma.uni.lodz.pl/foe/article/view/26124.