GUBAIDULLIN, A. M. SMALL BOLGAR TOWNS. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), [S. l.], n. 3, p. 19–23, 2021. DOI: 10.24852/2587-6112.2021.3.19.23. Disponível em: https://evrazstep.ru/index.php/aes/article/view/433. Acesso em: 3 jul. 2024.