type: 109author: Liaperdos, Ioannis_or_Dimitriadis, Stavros_or_Drakopoulos, Stavros_or_Mavromatidis, IliassubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES