author: Andrikopoulos, Nikolaos_or_Nintos, Alexandros_or_Kiziroglou, Michail_or_Zachos, Efstathios_or_Κοντογεώργης, Αριστείδης__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY