collection: 2author: Papaioannou, Angelos_or_Fountzoula, Christina_or_Zachos, Efstathios_or_Zoi, Georgiou_or_Tsotsou, Georgia Eleni_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Ψειρίδου, Αναστασία__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES