O. M. Bragin
V.V. Dokuchaev Kharkiv National Agrarian University, v. Dokuchaevske, Kharkiv Region, 62483, Ukraine
Ornithology, Entomology, Agricultural Ecology, Biotechnology, Environmental Biology
V.V. Dokuchaev Kharkiv National Agrarian University, v. Dokuchaevske, Kharkiv Region, 62483, Ukraine