collection: 2author: Kroupis, Christos_or_Papaioannou, Angelos_or_Antoniadis, Ioannis_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Psychogyiou, Mina__ensubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES