author: Mitropoulos, Sarantis_or_Tsitsifli, Stavroula_or_Nagopoulos, Nikolaos_or_Kanakoudis, Vasilis_or_Papatheodoropoulos, Costas_or_Lianos, Theodoros_or_Kyrkos, EfstathiossubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES