The European Commission's support for the production of this publication does not constitute an endorsement of the contents, which reflect the views only of the authors, and the Commission cannot be held responsible for any use which may be made of the information contained therein

The materials published on the AKKU project website are classified as Open Educational Resources' (OER) and can be freely (without permission of their creators): downloaded, used, reused, copied, adapted, and shared by users, with information about the source of their origin.