1. WHO. The World Health Report 2006: Working together for health. Geneva: WHO; 2006. Available at:
http://www.who.int/whr/2006/whr06_en.pdf
.
2. World Bank: GDP per capita (current US$). In 2010–2014. World Bank:
http://data.worldbank.org/indicator/NY.GDP.PCAP.CD?locations=VN
; 2014. Accessed 20 Feb 2016.
3. World Bank: Population, total. In 2010–2014:
http://data.worldbank.org/indicator/SP.POP.TOTL?locations=VN
; 2014. Accessed 20 Feb 2016.
4. Vietnam General Statistics Office. Statistics Yearbooks 2006. Hanoi: General Statistics Office (Vietnam); 2006.
5. Vietnam General Statistics Office. Statistics Yearbooks 2007. Hanoi: General Statistics Office (Vietnam); 2007.