Kovalenko, M., and H. Zhatova. “INFLUENCE OF SOWING RATES ON THE GROWTH AND DEVELOPMENT OF GRAIN SORGHUM IN NORTH-EASTERN PART OF UKRAINE”. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, Vol. 49, no. 3, Jan. 2023, pp. 25-31, doi:10.32845/agrobio.2022.3.4.