type: 7collection: 2author: Plageras, Panagiotis_or_Nikolaidis, Nikolaos_or_Toumpis, Stavros_or_Giannakopoulos, Panagiotis_or_Spyropoulos, VasileiossubjectTerm: V. LAW AND SOCIAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE