1. Active Minds. (2018). https://www.active-minds.org/uk/dementia-art-activities/coloring-books/. Accessed 3 June 2019.
2. Alzheimer’s Society. (2018). Five online activity ideas for people living with dementia. https://www.alzheimers.org.uk/blog/5-online-activity-ideas-people-living-dementia. Accessed 3 June 2019.
3. BBC. (2020). Color your own thank you to NHS staff. https://www.bbc.co.uk/programmes/articles/MxHKChgvM08r1fS410jqV/color-your-own-thank-you-to-nhs-staff. Accessed 24 June 2020.
4. Blackburn, H., & Chamley, C. (2016). Color me calm: Adult coloring and the University library. In Criss Library Faculty Proceedings & Presentations, 78. https://digitalcommons.unomaha.edu/crisslibfacproc/78
5. Bryce, J., & Haworth, J. (2002). Wellbeing and flow in sample of male and female office workers. Leisure Studies, 21(3–4), 249–263. https://doi.org/10.1080/0261436021000030687