collection: 2type: 7author: Zoi, Georgiou_or_Papaioannou, Angelos_or_Tsotsou, Georgia Eleni_or_Karkalousos, Petros_or_Plageras, Panagiotis_or_Kroupis, Christos_or_Spyropoulos, Vasileios_or_Ψειρίδου, Αναστασία__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES