subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Sakellariou, Ilias_or_Nikolopoulos, Stavros_or_Mavridis, Ioannis_or_Kefalas, Petros_or_Georgiadis, Loukas_or_Stamatis, Dimosthenis