subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTSauthor: Bratsos, Athanasios_or_Kontogeorgis, Aristeidis_or_Myloni, Varvara_or_Kontogeorgis, Aristides_or_Georgopoulos, Antonios_or_Antoniadis, Ioannis_or_Μιχαλόπουλος, Χαρίλαος__ellang: el