type: 103_or_102subjectTerm: V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEcollection: 3author: Kefalas, Petros_or_Sakellariou, Ilias_or_Stamatis, Dimosthenis_or_Skoumpourdi, Chrysanthi_or_Vasileiadis, Nikolaos_or_Loukopoulos, Thanasis