@article{Batievskaya2022labor,
author={Batievskaya, V.B. and Sokolovskiy, M.V.},
title={Labor Productivity of Miners at Open Pits  and Mines of the Kemerovo Region},
journal={Bulletin of Kemerovo State University. Series: Political, Sociological and Economic sciences},
publisher={Kemerovo State University},
year={2022},
pages={237-142},
volume={7},
issue={2},
}