Has, Voichita, Radu Groza, Ioan Has, Ana Copandean, and Elena Nagy. 2010. “Grain Yield and Quality of Maize Hybrids in Different FAO Maturity Groups”. Acta Agraria Debreceniensis, no. I (October): 126-31. https://doi.org/10.34101/ACTAAGRAR/I/8390.