Vígh, Tímea, Gábor Kerekes, Richard Hoffmann, and Gabriella Kazinczi. 2010. “Yield of Herbicide Tolerant Sunflower Hybrids Due to the Different Herbicide Treatments”. Acta Agraria Debreceniensis, no. 39 (November): 121-25. https://doi.org/10.34101/actaagrar/39/2750.