PIETRASIK, Kamil. Daniel Koehler, Understanding Deradicalization Methods, Tools and Programs for Countering Violent Extremism, London – New York 2017, ss. 306. Historia i Polityka, [S. l.], n. 27 (34), p. 163–165, 2019. DOI: 10.12775/HiP.2019.010. Disponível em: https://apcz.umk.pl/HiP/article/view/HiP.2019.010. Acesso em: 1 lip. 2025.