1. Primary Health Care: Report of the International Conference on Primary Health Care;World Health Organization, United Nations Children’s Fund,1978
2. Primary Health Care in India: Coverage and Quality Issues. Working Papers Series Center on Globalization and Sustainable Development;Bajpai,2004
3. Technical Series on Primary Health Care. Digital Technologies: Shaping the Future of Primary Health Care;World Health Organization,2018
4. The impact of eHealth on the quality and safety of health care: a systematic overview;Black;PLoS Med.,2011