type: 102_or_106_or_2_or_109_or_112lang: elauthor: Saltas, Vasileios_or_Skoumpourdi, Chrysanthi_or_Perivolaropoulos, Leandros_or_Tzanakis, GeorgiossubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS