author: Katsareli, Efthymia_or_Antoniou, Ioannis_or_Toumpis, Stavros_or_Perivolaropoulos, Leandros_or_Papanikolaou, Georgios_or_Σπυρόπουλος, Βασίλειος__elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEtype: 102lang: el