@article{Hayrullin2017research,
author={Hayrullin, A.N. and Hayrullin, A.A.},
title={RESEARCH ON QUALITY AND GRAIN PRODUCTION EFFICIENCY},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2017},
pages={133-138},
volume={12},
issue={3},
}