Kruszyńska, Ewa, and Jerzy Eider. “Evaluation of the Promotion of the Idea of a Healthy and Active Lifestyle by the Citizens of Poznań”. Sport and Tourism Central European Journal 2, no. 4 (January 8, 2020): 121–131. Accessed December 22, 2024. https://czasopisma.ujd.edu.pl/index.php/sport/article/view/698.