This free course was first published in December 2020.
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The material acknowledged below and within the course 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:
Week 1, Figure 6: skynesher / IStock/Getty Images
Week 1, Activity 4 and 5, Image 1: simonkr / iStock / Getty Images
Week 1, Activity 4, Image 2/ Activity 5, Image 4: Yuralaits / 123rf
Week 1, Activity 4, Image 3/Activity 5 Image 2, Image : nullplus / iStock / Getty Images Plus
Week 1, Activity 4, Image 4/Activity 5, Image 3: webphotographeer / iStock / Getty Images
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