Zon, G., Ivanovska, L. and Zon, I. 2019. The modern spectra of veterinary services in Ukraine. Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine. 1-2(44-45) (Jul. 2019), 50-56. DOI:https://doi.org/10.32845/bsnau.vet.2019.1-2.7.