type: 108_or_112author: Koumpis, Alexandros_or_Kanakoudis, Vasilis_or_Stathis, Dimitrios_or_Triantafyllou, Vasileios_or_Nintos, Alexandros_or_Tsitsifli, StavroulasubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESlang: el