NYZIO, Arkadiusz. The Internal Security of Poland in 2018 – Key Changes and Events .......... 105. In: GRUSZCZAK, Artur (ed.). Security Outlook 2018. SocietasPoland: Księgarnia Akademicka Publishing,2019. v. Societas, Vol. 121p. 105–126. DOI: 10.12797/9788381380843.05. Disponível em: https://books.akademicka.pl/publishing/catalog/book/90/chapter/1149. Acesso em: 7 jun. 2025.