author: Pagourtzis, Aristeidis_or_Achilias, Dimitris_or_Zachos, Efstathios_or_Kiziroglou, Michail_or_Grontas, Panagiotis_or_Krizanc, Danny_or_Lianos, Theodoros_or_������������, ����������������__elsubjectTerm: V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY