subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Zoi, Georgiou_or_Spyropoulos, Vasileios_or_Souliou, Theodora_or_Pagourtzis, Aristeidis_or_Ψειρίδου, Αναστασία__el