collection: 2_or_3subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE__enauthor: Koumpis, Alexandros_or_Spyropoulos, Vasileios_or_Fylaktakidou, Konstantina_or_Bertachas, Ioannistype: 109