Authors
arkadiusz.gralak@ierigz.waw.pl
DEng, Institute of Agricultural and Food Economics National Research Institute, Department of Agribusiness and Bioeconomy, Warsaw, Poland
renata.grochowska@ierigz.waw.pl
PhD, DSc, Assoc. Prof. of Institute of Agricultural and Food Economics National Research Institute, Department of Agribusiness and Bioeconomy, Warsaw, Poland
iwona.szczepaniak@ierigz.waw.pl
PhD, DSc, Assoc. Prof. of Institute of Agricultural and Food Economics National Research Institute, Department of Agribusiness and Bioeconomy, Warsaw, Poland