Kolosok, I.O. “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, no. 3 (January 20, 2023): 32-39. Accessed July 3, 2024. https://snaubulletin.com.ua/index.php/ab/article/view/730.