type: 7subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS__enauthor: Zachos, Efstathios_or_Plageras, Panagiotis_or_Kroupis, Christos_or_Lekka, Maria Eleni E_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Galanopoulou, Konstantina