Stefanos A. Nastis1, Anastasios Michailidis1 and Fotios Chatzitheodoridis2*
1Department of Agricultural Economics, Aristotle University of Thessaloniki, Thessaloniki, Greece.
2Department of Agricultural Products Marketing and Quality Control, Technological Educational Institute of Western Macedonia, Terma Kontopoulou, 53100 Florina, Greece.
Email: [email protected], [email protected]