subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS__enauthor: Lianos, Theodoros_or_Papatheodoropoulos, Costas_or_Toumpis, Stavros_or_Spyropoulos, Vasileioslang: el