collection: 1istemp: 1lang: eltype: 203_or_1author: Spyropoulos, Vasileios_or_Soteriades, Panayiotis_or_Fountzoula, Christina_or_Nikita, Efthymia_or_Papageorgopoulou, Christina_or_Marangos, Charalampos_or_Moraitis, Konstantinos_or_Papaioannou, Angelos_or_Tsotsou, Georgia Eleni_or_Kroupis, Christos_or_����������������������, ������������������__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS_or_V. LAW AND SOCIAL SCIENCES