Petrenko, H. O., Bordunova, O. H. and Chernenko, O. M. (2022) “STUDY OF THE INFLUENCE OF CHICKEN FEEDING ON QUALITATIVE PARAMETERS OF THE BIOCERAMIC PROTECTIVE LAYER OF EGGS”, Bulletin of Sumy National Agrarian University. The series: Livestock, (1), pp. 52-58. doi: 10.32845/bsnau.lvst.2022.1.8.