author: Tsitsiou-Chelidoni, Chrysanthi_or_Kontogeorgis, Aristeidis_or_Perivolaropoulos, Leandros_or_Fyntikoglou, Vasileios_or_Michalopoulos, Andreas_or_Antoniadis, Ioannis_or_Μιχαλόπουλος, Χαρίλαος__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS