lang: elcollection: 3_or_1author: Koutsileou, Stamatina K., Ed._or_Zoi, Stavroula_or_Loari, Filomila, Ed._or_Paraskevas, MichailsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES_or_VI. HUMANITIES AND ARTStype: 102_or_6_or_104