type: 7author: Kontogiannis, Ioannis_or_Bratsos, Athanasios_or_Gitzenis, Savvas_or_Cheliotis, Dimitrios_or_Toumpis, Stavros_or_Margaritis, GeorgiossubjectTerm: V. LAW AND SOCIAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_I. MATHEMATICS AND COMPUTER SCIENCE