type: 7subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Karkalousos, Petros_or_Spyropoulos, Vasileios_or_Zachos, Efstathios_or_Souliou, Theodora_or_Pagourtzis, Aristeidis_or_Κοντογεώργης, Αριστείδης__ellang: el