@article{Ostapchuk2021breeds,
author={Ostapchuk, P.S.},
title={Breeds of sheep in the context of the historical development of the Sheep Breeding on the Crimean Peninsula},
journal={Agrarian Bulletin of the},
publisher={Ural State Agrarian University},
year={2021},
pages={75-86},
volume={210},
issue={07},
}