SICHENKO, O. M.; KRYVYI, M. M.; DIKHTIAR, O. O. COMPARATIVE EVALUATION OF HONEY STOCK OF NATURAL PHYTOCENOSES FOR BEE FAMILIES OF UKRAINIAN POLISYA. Bulletin of Sumy National Agrarian University. The series: Livestock, n. 3 (46), p. 84-90, 12 Oct. 2021.