This free course was written by Lynne Johnson. It was first published in February 2019.
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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 free course:
Figure 2: pixelfit; iStockphoto.com
Figure 3: Clerkenwell; iStockphoto.com
Figure 4: andresr; iStockphoto.com
Figure 5: PeopleImages; iStockphoto.com
Figure 6: (c) BBC taken from The Office
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