lang: elauthor: Doukissas, Leonidas_or_Papanikolaou, Georgios_or_Manis, Georgios_or_Bertachas, Ioannis_or_Περιβολαρόπουλος, Λέανδρος__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES