type: 7author: Kroupis, Christos_or_Nagopoulos, Nikolaos_or_Spyropoulos, Vasileios_or_Daikos%2C Georgios_or_Sfikakis%2C Petros_or_Boletis%2C Ioannis_or_Kokkinos%2C Alexandros_or_%CE%9A%CE%BF%CE%BD%CF%84%CE%BF%CE%B3%CE%B5%CF%8E%CF%81%CE%B3%CE%B7%CF%82%2C %CE%91%CF%81%CE%B9%CF%83%CF%84%CE%B5%CE%AF%CE%B4%CE%B7%CF%82__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_V. LAW AND SOCIAL SCIENCES