Cengiz, Mahmut, Kutluer Karademir, and Huseyin Cinoglu. “The ISIS Model and Its Influence Over Global Terrorism”. European Scientific Journal, ESJ 18, no. 7 (February 28, 2022): 14. Accessed July 7, 2022. https://eujournal.org/index.php/esj/article/view/15174.