author: Economou, Polychronis_or_Perivolaropoulos, Leandros_or_Michalopoulos, Andreas_or_Michalopoulos, Charilaos_or_Kontogeorgis, Aristides_or_Antoniadis, Ioannis_or_��������������������, ��������������__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCElang: el