author: Karkalousos, Petros_or_Tsotsou, Georgia Eleni_or_Nagopoulos, Nikolaos_or_Kroupis, Christos_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Λιανός, Θεόδωρος__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES