Rudenko , Konstantin A. 2022. “About Craft Production on the Bulgar Settlements of the XI – Beginning of the XIII Century”. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), no. 5 (October):254-70. https://doi.org/10.24852/2587-6112.2022.5.254.270.