Kristó, István, István Makó, and Mária Gazdagné Torma. “Use of Clearfield Technology in the Sunflower”. Acta Agraria Debreceniensis, no. 43 (October 30, 2011): 114–118. Accessed November 22, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/2649.