type: 7subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__enauthor: Tsakiris, Athanasios_or_Papaioannou, Angelos_or_Moustakas, Konstantinos_or_Plageras, Panagiotis_or_Fountzoula, Christina_or_Zoi, Georgiou_or_Mavridis, Ioannis