author: Spyropoulos, Vasileios_or_Chasapis, Dimitrios_or_Patsourakos, Spyros_or_Sapountzaki, Kalliopi_or_Alissandrakis, ConstantinesubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS__en