lang: elsubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_VI. HUMANITIES AND ARTS_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Michalopoulos, Charilaos_or_Mavridis, Ioannis_or_Gitzenis, Savvas_or_Toumpis, Stavros_or_Michalopoulos, Andreas_or_Κοντογεώργης, Αριστείδης__el