subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Pagourtzis, Aristeidis_or_Kiziroglou, Michail_or_Lianos, Theodoros_or_Pseiridou, Anastasia_or_Bratsos, Athanasios