type: 101_or_999_or_102_or_103subjectTerm: V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Bertachas, Ioannis_or_Pavlakis, Konstantinos_or_Gitzenis, Savvas_or_Perivolaropoulos, Leandros