author: Tigkas, Stylianos_or_Kitsakos, Athanasios_or_Stamati, Vasiliki_or_Papathanakos, Georgios_or_Beligiannis, Apostolos_or_Bratsos, Athanasiostype: 7subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS__en