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Course image: ‘Leadership concept. Isolated on white background’. Image courtesy of cooldesign at

Figure 1: ‘Pencil with checklist’. Image courtesy of cuteimage at

Figure 2: ‘Jigsaw puzzle’. Image courtesy of digitalart at

Figure 3: ‘Communication and speech bubbles’. Image courtesy of cooldesign at

Figure 4: ‘Internet education’. Image courtesy of hywards at

Figure 5: ‘Maze puzzle solved’. Image courtesy of ddpavumba at

Figure 6: ‘People cogs’. Image courtesy of nokhoog_buchachon at

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