1. Organisation for Economic Co-operation and Development: Statistics Portal.
http://www.oecd.org/statistics/
2. British Overseas NGOs for Development (BOND):: Putting Beneficiaries First. A report by Keystone and Accountability. 2006
http://www.civicus.org/new/media/putting_beneficiaries_first.pdf
3. Hilhorst D: Being good at doing good? Quality and accountability of humanitarian NGOs. Disasters. 2002, 3: 193-212. 10.1111/1467-7717.00200.
4. CE-DAT: Complex Emergency Database.
http://www.cred.be/cedat
5. United Nations High Commissioner for Refugees: Standards and Indicators Guide.
http://www.unhcr.org/protect/PROTECTION/4614ab8e2.pdf