@article{Orlov2023the,
author={Orlov, E.V. and Shipkov, O.I. and Matveev, D.A. and Sonina, V.P.},
title={The history of the emergence and development  of cities in the ancient world},
journal={},
publisher={INFRA-M Academic Publishing LLC.},
year={2023},
pages={48-51},
volume={8},
issue={1},
}