30 June 2011 | Publisher: UN High Commissioner for Refugees (UNHCR) | Document type: Research, Background and Discussion Papers
June 2011 | Publisher: UN High Commissioner for Refugees (UNHCR) | Document type: Research, Background and Discussion Papers
April 2011 | Publisher: UN High Commissioner for Refugees (UNHCR) | Document type: Research, Background and Discussion Papers
7 March 2011 | Publisher: United States Congressional Research Service | Document type: Research, Background and Discussion Papers