Gladiy, M. V., S. I. Kovtun, and M. G. Porkhun. “ANDRIY PETROVYCH KRUGLYAK – FAMOUS SCIENTIST AND PRACTITIONER IN THE FIELD OF SELECTION AND REPRODUCTION OF FARM ANIMALS”. Animal Breeding and Genetics, Vol. 62, Dec. 2021, pp. 7-9, doi:10.31073/abg.62.02.