subjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_I. MATHEMATICS AND COMPUTER SCIENCE__enauthor: Koumpis, Alexandros_or_Spyropoulos, Vasileios_or_Fylaktakidou, Konstantina_or_Michelaki, Paraskevitype: 109