Filipczak, Katarzyna, and Jan Czernicki. “Problems of Social Medicine in Works Helena Radlińska – the Pioneer of Polish Social Pedagogy”. European Journal of Clinical and Experimental Medicine 3, no. 1 (March 30, 2005): 63–66. Accessed August 6, 2026. https://journals.ur.edu.pl/ejcem/article/view/13488.