LYAUSHEVA, Svetlana, et al. “THE ISLAMIC UMMAH OF RUSSIA AND ISIS: ISLAMIC RADICALISM IN THE TURKIC-SPEAKING REGIONS”. CENTRAL ASIA AND THE CAUCASUS, vol. 19, no. 1, Feb. 2018, pp. 90-96, https://ca-c.org/CAC/index.php/cac/article/view/1431.