subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Cheliotis, Dimitrios_or_Drosos, Dimitrios_or_Skianis, Charalampos_or_Vougioukas, Dimosthenis_or_Papaioannou, Angelos_or_Spyropoulos, Vasileios