Mazurek, Witold. “Faces of Security. Radicalization of Prisoners As a Challenge for the Future of Security of the Polish Penitentiary Institutions”. Resocjalizacja Polska, no. 22 (December 27, 2021): 227-253. Accessed April 25, 2024. https://resocjalizacjapolska.pl/index.php/rp/article/view/398.