type: 7_or_102collection: 2author: Karkalousos, Petros_or_Tzanakis, Georgios_or_Kontogiannis, Ioannis_or_Moraitis, Konstantinos_or_Gitzenis, Savvas_or_Spyropoulos, Vasileios_or_Michelaki, Paraskevi_or_Toumpis, Stavros_or_Κουμπής, Αλέξανδρος__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES