Kolosok, I. (2023) “FEATURES OF THE YEILD FORMATION OF SUNFLOWER HYBRIDS IN THE CONDITIONS OF THE NORTH-EASTERN FOREST STEPPE OF UKRAINE”, Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology, 49(3), pp. 32-39. doi: 10.32845/agrobio.2022.3.5.