author: Karkalousos, Petros_or_Spyropoulos, Vasileios_or_Galanopoulou, Konstantina_or_Chasapis, Dimitrios_or_Alissandrakis, ConstantinesubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__en