author: Plageras, Panagiotis_or_Nikolaidis, Nikolaos_or_Kroupis, Christos_or_Zoi, Georgiou_or_Spyropoulos, Vasileios_or_Achilias, DimitrissubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_I. ΜΑΘΗΜΑΤΙΚΑ ΚΑΙ ΠΛΗΡΟΦΟΡΙΚΗ__el