This work by Apostolos Pougaridis is licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
CC BY-NC-ND 4.0
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International. This license requires that reusers give credit to the creator. It allows reusers to copy and distribute the material in any medium or format in unadapted form and for noncommercial purposes only.