type: 7collection: 2subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCESauthor: Zoi, Georgiou_or_Pagourtzis, Aristeidis_or_Karkalousos, Petros_or_Spyropoulos, Vasileios_or_Παγουρτζής, Αριστείδης__el