subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCESauthor: Stathis, Dimitrios_or_Kalligeros, Emmanouil_or_Drosos, Dimitrios_or_Skianis, Charalampostype: 102_or_7_or_999_or_108