@article{Smirnova2018evaluation,
author={Smirnova, E.A. and Postnova, M.V. and Tarasova, E.A.},
title={EVALUATION THE LABOR PRODUCTIVITY LEVEL IN AGRICULTURAL ENTERPRISES  OF ULYANOVSK REGION},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2018},
pages={140-146},
volume={13},
issue={3},
}