17 March 2013 | Publisher: UN High Commissioner for Refugees | Document type: Research, Background and Discussion Papers
20 September 2012 | Publisher: UN High Commissioner for Refugees | Document type: Research, Background and Discussion Papers
29 April 2011 | Publisher: United States Congressional Research Service | Document type: Research, Background and Discussion Papers
17 July 2008 | Publisher: Refugees International | Document type: Research, Background and Discussion Papers
February 2003 | Publisher: Overseas Development Institute (ODI) | Document type: Research, Background and Discussion Papers
