@article{Zakirov2014development,
author={Zakirov, Z.. and Zakirova, A.R. and Klychova, G.S. and Iskhakov, A..},
title={Development of primary income accounting of crop production},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2014},
pages={23-28},
volume={9},
issue={4},
}