1. World population ageing. (2017). Accessed. January 29, 2024: https://www.un.org/en/development/desa/population/publications/pdf/ageing/WPA2017_Highlights.pdf.
2. Social, economic, and demographic changes among the elderly,1988
3. Are self-reports of health and morbidities in developing countries misleading? Evidence from India;Subramanian SV;Soc Sci Med,2009
4. Quality of life (QOL) among older persons in an urban and rural area of Bangalore, South India;Krishnappa L;J Family Med Prim Care,2021
5. National Programme For Health Care Of The Elderly (NPHCE). Operational guidelines. (2023). Accessed: May 4, 2023: https://main.mohfw.gov.in/sites/default/files/8324324521Operational_Guidelines_NPHCE_final.pdf.