@article{Kalyanov2020analysis,
author={Kalyanov, A.Y. and Darymov, I.A.},
title={Analysis of the Natural Movement of the Population of the Tula Region: Problems and Prospects},
journal={Scientific Research and Development. Economics},
publisher={INFRA-M Academic Publishing LLC.},
year={2020},
pages={102-106},
volume={8},
issue={6},
}