@article{Polyanskaya2021qualified,
author={Polyanskaya, E.. and Karlina, E.. and Kolmakova, L..},
title={Qualified personnel migration runoff threatens regional economic security},
journal={Vestnik of Astrakhan State Technical University. Series: Economics},
publisher={Astrakhan State Technical University},
year={2021},
pages={51-61},
volume={},
issue={4},
}