subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Kroupis, Christos_or_Alissandrakis, Constantine_or_Zoi, Georgiou_or_Spyropoulos, Vasileios_or_Pseiridou, Anastasia__en