Gruszczak, Artur, ed. “Migration and Security in 2018 . 27”. In Security Outlook 2018, Societas, Vol. 121:27–51. Societas. Poland: Księgarnia Akademicka Publishing, 2019. Accessed January 1, 2026. https://books.akademicka.pl/publishing/catalog/book/90/chapter/1146.