1. Agricultural School, University of Extremadura Badajoz, Spain
2. VALORIZA-Research Centre for Endogenous Resource Valorization Portalegre, Portugal
3. Faculty of Applied Sciences, WSB University Dąbrowa Górnicza, Poland
4. Facultad Humanidades y Ciencias Sociales, Universidad Internacional de La Rioja Logroño, Spain
5. Department of Urban Planning and Architecture, Institute of Transportation—CIP Belgrade, Serbia