1.
Stoyanov V. The Flow of Refugees and International Terrorism – Primarily a European Problem, but with Historical Roots and Geopolitical Dimensions. НТ [Internet]. 2016 Nov. 24 [cited 2026 Jul. 22];(2):7-40. Available from: https://bjiep.e-dnrs.org/index.php/rp/article/view/5627