Czech , Alexander, and Olga Bordunova. 2020. “Protective Coatings Based on Chitosane from the Pathogenic Microflora of Food Eggs”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 3 (42) (November), 87-92. https://doi.org/10.32845/bsnau.lvst.2020.3.15.