Authors
wojciech.jozwiak@ierigz.waw.pl
Institute at Agricultural and Food Economics National Research Institute, Department of Economics of Agricultural and Horticultural Holdings, Warsaw, Poland
Institute at Agricultural and Food Economics National Research Institute, Department of Economics of Agricultural and Horticultural Holdings, Warsaw, Poland
jolanta.sobierajewska@ierigz.waw.pl
Institute at Agricultural and Food Economics National Research Institute, Department of Economics of Agricultural and Horticultural Holdings, Warsaw, Poland
wojciech.zietara@ierigz.waw.pl
Institute at Agricultural and Food Economics National Research Institute, Department of Economics of Agricultural and Horticultural Holdings, Warsaw, Poland