collection: 1_or_2author: Markaki, Anta_or_Sakellari, Evanthia_or_Lagiou, Areti_or_Lionis, Christos_or_Plageras, Panagiotis_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__elsubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_V. LAW AND SOCIAL SCIENCES