December 2012 | Publisher: UN High Commissioner for Refugees (UNHCR) | Document type: Research, Background and Discussion Papers
February 2011 | Publisher: UN Office for the Coordination of Humanitarian Affairs (OCHA) | Document type: Research, Background and Discussion Papers
1 September 2000 | Publisher: European Council on Refugees and Exiles | Document type: Research, Background and Discussion Papers
1 November 1998 | Publisher: European Council on Refugees and Exiles | Document type: Research, Background and Discussion Papers