collection: 2subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Fountzoula, Christina_or_Papaioannou, Angelos_or_Karkalousos, Petros_or_Tsotsou, Georgia Eleni_or_Spyropoulos, Vasileios_or_Παγουρτζής, Αριστείδης__ellang: el