subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Tzanakis, Georgios_or_Toumpis, Stavros_or_Michelaki, Paraskevi_or_Fylaktakidou, Konstantina_or_Bertachas, Ioannis_or_Gitzenis, Savvas_or_Περιβολαρόπουλος, Λέανδρος__ellang: el