collection: 2author: Michalopoulos, Andreas_or_Simserides, Constantinos_or_Perivolaropoulos, Leandros_or_Grontas, Panagiotis_or_Michalopoulos, Charilaos_or_����������������������, ������������������__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTS