author: Zoi, Georgiou_or_Karkalousos, Petros_or_Fountzoula, Christina_or_Spyropoulos, Vasileios_or_Cheliotis, Dimitrios_or_Ψειρίδου, Αναστασία__elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCElang: el