@article{Smirnova2020integral,
author={Smirnova, E.A. and Postnova, M.V.},
title={INTEGRAL ASSESSMENT OF LABOR PRODUCTIVITY},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2020},
pages={123-129},
volume={15},
issue={1},
}