subjectTerm: VI. HUMANITIES AND ARTS_or_V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCEStype: 110_or_2_or_102_or_112_or_109_or_999author: Gitzenis, Savvas_or_Koumpis, Alexandros