1 | University of Warmia and Mazury in Olsztyn, Faculty of Land Management and Agriculture,
Department of Agrotechnology, Agricultural Production Management and Agribusiness, Olsztyn, Poland |
2 | Warsaw University of Life Science-SGGW, Faculty of Economic Sciences, Department of Logistics, Warsaw, Poland |
3 | West Pomerania University in Szczecin |
4 | Pennsylvania State University, Faculty of Agricultural Sciences, Department of Agricultural Economics,
Sociology, and Education, University Park, Pennsylvania, USA |