1. http://unsdsn.org/wp-content/uploads/2014/02/Health-For-All-Report.pdf
2. Creating a Sustainable 21st Century Healthcare Systemhttp://www.ilcuk.org.uk/
3. Identifying Fiscal Sustainability Challenges in the Areas of Pensions, Health Care and Long-Term Care Policies,2014
4. http://www.euro.who.int/__data/assets/pdf_file/0018/76041/E93058.pdf?ua=1