subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCEStype: 109_or_110author: Koumpis, Alexandros_or_Paraskevas, Michail_or_Anninos, Loukas_or_Mavromatidis, Ilias_or_Fylaktakidou, Konstantina_or_Michalopoulos, Charilaoslang: el