type: 109_or_102subjectTerm: VI. HUMANITIES AND ARTS_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Koumpis, Alexandros_or_Tzanakis, Georgios_or_Makris, Christos_or_Zafiropulos, Vassilis_or_Androulidakis, Ioannis_or_Mavromatidis, Ilias_or_Bertachas, Ioannis