collection: 2type: 7subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Grontas, Panagiotis_or_Bratsos, Athanasios_or_Krizanc, Danny_or_Kranakis, Evangelos_or_Zachos, Efstathios_or_Pagourtzis, Aristeidislang: el