datepublished: 2015collection: 1type: 203_or_1author: Lionis, Christos_or_Adamakidou, Theodoula_or_Bodosakis, Prodromos Merkouris_or_Lagiou, Areti_or_Kriempardis, Anastasios_or_Georgiannos, Nikolaos_or_Iatraki, Eliza_or_Kapreli, Eleni_or_Velonaki, Venetia Sofia_or_Plageras, Panagiotis_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCESlang: el