Akıncı, Meltem. 2021. “THE ISSUE OF THE FORMATION OF URBAN CULTURE IN VOLGA BOLGARIA”. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), no. 3 (July):11-18. https://doi.org/10.24852/2587-6112.2021.3.11.18.