Cholewa, Cholewa, Miłosz Witkowski, Jacek Wąsik, and Tomasz Góra. “Declared and Actual students’ Physical Activity”. Physical Education of Students 24, no. 3 (June 30, 2020): 135–140. Accessed July 23, 2026. https://sportedu.org.ua/index.php/PES/article/view/1140.