author: Plageras, Panagiotis_or_Ventouras, Errikos-Chaim_or_Spyropoulos, Vasileios_or_Lianos, Theodoros_or_Ψειρίδου, Αναστασία__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY