type: 7subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. HUMANITIES AND ARTSauthor: Kroupis, Christos_or_Antoniadis, Ioannis_or_Toumpis, Stavros_or_Spyropoulos, Vasileios