@article{Shulskyi_2019, title={Cooperative activity of Ivan Porytko from rogatin}, volume={21}, url={https://nvlvet.com.ua/index.php/economy/article/view/3681}, DOI={10.32718/nvlvet-e9207}, number={92}, journal={Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series Economical Sciences}, author={Shulskyi, M.}, year={2019}, month={May}, pages={43-48}