1. United Nations. Universal Declaration of Human Rights. Available at: http://www.un.org/en/documents/udhr/. Accessed September 23, 2015.
2. The Human Revolution: From Ape to Artist;Collins,1976
3. Common core state standards initiative. Available at: http://www.corestandards.org/. Accessed September 23, 2015.
4. Performance metrics as drivers of quality;Lee;Circulation,2015
5. Act of US Congress. H.R. 2 Medicare Access and Chip Reauthorization Act (MACRA) [Section by Section Title I—SGR Repeal and Medicare Provider Payment Modernization]. Available at: http://energycommerce.house.gov/sites/republicans.energycommerce.house.gov/files/114/Analysis/20150324-HR2-SectionbySection.pdf. Accessed September 23, 2015.