subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__entype: 7author: Patsourakos, Spyros_or_Bratsos, Athanasios_or_Cheliotis, Dimitrios_or_Alissandrakis, Constantine