author: Kroupis, Christos_or_Karkalousos, Petros_or_Fountzoula, Christina_or_Souliou, Theodora_or_Spyropoulos, Vasileios_or_Krizanc, Danny_or_Pagourtzis, Aristeidis_or_������������, ����������������__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES