type: 1_or_999_or_108author: Kanakoudis, Vasilis_or_Kokolakis, Spyridon_or_Kalligeros, Emmanouil_or_Drosos, Dimitrios_or_Skianis, CharalampossubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES