type: 104_or_7lang: elauthor: Papaioannou, Angelos_or_Spyropoulos, Vasileios_or_Kiziroglou, Michail_or_Lianos, Theodoros_or_Anninos, Loukas_or_Paraskevas, Michail_or_Triantafyllou, VasileiossubjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_III. ENGINEERING AND TECHNOLOGY