collection: 2lang: elauthor: Plageras, Panagiotis_or_Tsotsou, Georgia Eleni_or_Spyropoulos, Vasileios_or_Loulakis, Michail_or_Cheliotis, Dimitrios_or_Κοντογεώργης, Αριστείδης__elsubjectTerm: V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE