collection: 2lang: elauthor: Ventouras, Errikos-Chaim_or_Spyropoulos, Vasileios_or_Pagourtzis, AristeidissubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_V. LAW AND SOCIAL SCIENCES