collection: 2lang: elauthor: Tsotsou, Georgia Eleni_or_Pseiridou, Anastasia_or_Lianos, Theodoros_or_Spyropoulos, Vasileios_or_����������������������, ������������������__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES