1. Doctoral School, Wroclaw University of Environmental and Life Sciences, 50-357 Wrocław, Poland
2. Department of Applied Economics, Wroclaw University of Environmental and Life Sciences, 50-363 Wrocław, Poland
3. Institute of Spatial Management, Wroclaw University of Environmental and Life Sciences, 50-375 Wrocław, Poland
4. Institute of Agroecology and Plant Production, Wroclaw University of Environmental and Life Sciences, 50-363 Wrocław, Poland