type: 7author: Papathanasiou, Athanasios_or_Tigkas, Stylianos_or_Tsagkaris, Iraklis_or_Papathanakos, Georgios_or_Beligiannis, Apostolos_or_Bratsos, AthanasiossubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS__en