type: 207_or_108_or_999_or_6_or_109_or_110_or_112collection: 3subjectTerm: VI. HUMANITIES AND ARTS_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Koumpis, Alexandros_or_Mavromatidis, Ilias_or_Kombiadou, Katerina_or_Makris, Christos