type: 7collection: 2author: Spyropoulos, Vasileios_or_Michalopoulos, Charilaos_or_Moraitis, Konstantinos_or_Aggelopoulos, Eleftherios_or_Georgopoulos, AntoniossubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS_or_III. ENGINEERING AND TECHNOLOGY