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Acknowledgements

This course was written by Patricia Duplock and Jonathan Hughes.

Except for third party materials and otherwise stated (see FAQs [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.

The material acknowledged below is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this unit:

Figures

Figure 4: www.bitsythis.com

Figure 5: www.rovearts.com

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

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Week 4