DURAJ, Natasza. State security and the national security of the Russian Federation: The example of the Chechen Republic. Poland: Lodz University Press,2021. DOI: 10.18778/8220-586-2. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/922. Acesso em: 29 jan. 2026.