type: 1_or_999_or_112author: Paraskevas, Michail_or_Koufos, Georgios_or_Chytiris, LeonidassubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. ΜΑΘΗΜΑΤΙΚΑ ΚΑΙ ΠΛΗΡΟΦΟΡΙΚΗ__el