author: Spyropoulos, Vasileios_or_Michalopoulos, Andreas_or_Cheliotis, Dimitrios_or_Georgopoulos, Antonios_or_Ψειρίδου, Αναστασία__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES