lang: elauthor: Lianos, Theodoros_or_Toumpis, Stavros_or_Triantafyllou, Vasileios_or_Pseiridou, Anastasia_or_Chytiri, Alexandra Paraskevi_or_Chytiris, Leonidas_or_Paraskevas, Michailtype: 112subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES