Affiliation: University of Debrecen, Karcag Research Institute, Centre for Agricultural and Applied Economic Sciences, Debrecen, HUNGARY
E-mail: kovacsgyorgyi@agr.unideb.hu
Affiliation: University of Debrecen, Karcag Research Institute, Centre for Agricultural and Applied Economic Sciences, Debrecen, HUNGARY
E-mail: kovacsgyorgyi@agr.unideb.hu