1. Expanding global access to radiotherapy;Atun;Lancet Oncol,2015
2. Estimating the demand for radiotherapy from the evidence: a review of changes from 2003 to 2012;Barton;Radiother Oncol,2014
3. World Bank. Country and Lending Groups. http://data.worldbank.org/about/country-and-lending-groups. World Bank. 2017.
4. International Atomic Energy Agency (IAEA). Radiotherapy Cost Estimator, https://humanhealth.iaea.org/HHW/RadiationOncology/Makingthecaseforradiotherapyinyourcountry/Roleofradiotherapyincancercare/Radiotherapyisacosteffectivesystemwhichneedsabalance/index.html. International Atomic Energy Agency (IAEA). 2008.
5. International Atomic Energy Agency (IAEA). Staffing in Radiotherapy: An Activity Based Approach. Vienna, Austria: International Atomic Energy Agency (IAEA); 2015.