author: Papatheodoropoulos, Costas_or_Chytiris, Leonidas_or_Anninos, Loukas_or_Laloumis, Dimitrios_or_Pseiridou, Anastasia_or_Tsitsifli, Stavroula_or_Poulos, Marioscollection: 2_or_3type: 102subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES