Sichenko, O. M., M. M. Kryvyi, and O. O. Dikhtiar. “INTENSITY OF BEES’ FLIGHT ACTIVITY DEPENDING ON THE ENVIRONMENTAL TEMPERATURE”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 4 (47), Jan. 2022, pp. 149-53, doi:10.32845/bsnau.lvst.2021.4.25.