Stashenkov , D. A., and . A. F. Kochkina. “Nomadic Population of the Samara Volga Region in the Golden Horde Epoch”. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), no. 6, Dec. 2022, pp. 133-4, doi:10.24852/2587-6112.2022.6.133.143.