collection: 2author: Toumpis, Stavros_or_Paraskevas, Michail_or_Gitzenis, Savvas_or_Chytiris, Leonidas_or_Asimakopoulos, Georgios_or_Triantafyllou, Vasileios_or_Anninos, LoukassubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE