Acknowledgements

Grateful acknowledgement is made to the following sources:

Every effort has been made to contact copyright holders. If any have been inadvertently overlooked the publishers will be pleased to make the necessary arrangements at the first opportunity.

Important: *** against any of the acknowledgements below means that the wording has been dictated by the rights holder/publisher, and cannot be changed.

Course banner 552239: Alexander Limbach / shutterstock

552244: kalhh / Pixabay

552245: geralt / pixabay

552246: TheDigitalArtist- / pixabay

558977: NotebookLM

555638: Created by OU artworker using OpenAI (2025) ChatGPT 4