type: 109_or_110_or_112author: Charmandaris, Evangelos_or_Paraskevas, Michail_or_Chytiris, Leonidas_or_Michalopoulos, CharilaossubjectTerm: V. LAW AND SOCIAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS