Kirilko , Vladimir P. “Sections of Biyuk Jami in Kefe”. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), no. 5 (November 3, 2023): 196–210. Accessed May 17, 2024. https://www.evrazstep.ru/index.php/aes/article/view/1111.