1. World Population Ageing 2017. Un.org. N. p., 2019. https://www.un.org/en/development/desa/population/theme/ageing/WPA2017.asp. Accessed 1 April. 2018
2. The prevention of dementia;Peters;Int J Geriatr Psychiatry: J Psychiatry Late Life Allied Sci,2009
3. Dementia in developing countries. A consensus statement from the 10/66 Dementia Research Group;Prince;Int J Geriatr Psychiatry,2000
4. Age-Friendly Environments. World Health Organisation. N. p., 2018. https://www.who.int/ageing/projects/age-friendly-environments/en/. Accessed 19 September 2018.
5. Nature, mind, and medicine: a model for mind–body healing;Kaufman;Explore,2018