Wardeńska, M., Perzyńska, A., Kochanowicz, M., Pabianek, Łukasz, Trela, E. and Zukow, W. (2017) “The impact of spa treatment on quality of life of elderly people”, Journal of Education, Health and Sport, 7(3), pp. 341–360. Available at: https://apcz.umk.pl/JEHS/article/view/4293 (Accessed: 17 April 2024).