lang: elcollection: 3author: Koumpis, Alexandros_or_Perivolaropoulos, Leandros_or_Chytiris, Leonidas_or_Fylaktakidou, Konstantina_or_Katsaros, Panagiotis_or_Asimakopoulos, Georgios_or_Anninos, LoukassubjectTerm: V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY