type: 102_or_999collection: 3lang: elauthor: Kolettis, Theofilos_or_Panagopoulos, Georgios_or_Kalligeros, EmmanouilsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES