[1] United Nations. The Road to Dignity by 2030: Ending Poverty, Transforming All Lives and Protecting the Planet. 2014. http://www.un.org/disabilities/documents/reports/SG_Synthesis_Report_Road_to_Dignity_by_2030.pdf (accessed 2017-02-22)
[3] United Nations. Global sustainable development 2015 Edition. Advance unedited version. https://sustainabledevelopment.un.org/content/documents/1758GSDR%202015%20Advance%20\nUnedited%20Version.pdf (accessed 2017-02-22)
[4] Sustainable development solutions network. Indicators and a monitoring framework for the sustainable development goals. https://sustainabledevelopment.un.org/content/documents/2013150612-FINAL-SDSNIndicator-Report1.pdf (accessed 2017-02-22)
[5] Statistical Commission of United Nations. Report of the inter-agency and expert group on sustainable development goal indicators. https://unstats.un.org/sdgs/indicators/Official%20Revised%20List%20of%20global%20SDG%20indicators.pdf (accessed 2017-06-21)