Moody, J., L. Hale, and D. Waters. “Perceptions of a Water-Based Exercise Programme to Improve Physical Function and Falls Risk in Older Adults With Lower Extremity Osteoarthritis: Barriers, Motivators and Sustainability”. New Zealand Journal of Physiotherapy, vol. 40, no. 2, July 2012, pp. 64–70, https://nzjp.otago.ac.nz/nzjp/article/view/28.