subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_V. ΔΙΚΑΙΟ ΚΑΙ ΚΟΙΝΩΝΙΚΕΣ ΕΠΙΣΤΗΜΕΣ__elauthor: Spyropoulos, Vasileios_or_Zachos, Efstathios_or_Pagourtzis, Aristeidis_or_Michalopoulos, Andreas