type: 1_or_102_or_104subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGYauthor: Androulidakis, Ioannis_or_Krestenitis, Ioannis_or_Perivolaropoulos, Leandros_or_Vasileiadis, Nikolaos