@article{Poperechnyi_Babych_2018, title={Marketing principles for the formation of veterinary services}, volume={20}, url={https://nvlvet.com.ua/index.php/economy/article/view/2490}, DOI={10.32718/nvlvet9110}, number={91}, journal={Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series Economical Sciences}, author={Poperechnyi, S. and Babych, L.}, year={2018}, month={Nov.}, pages={46-50}