2 September 2014 | Publisher: UN Office of the High Commissioner for Human Rights (OHCHR) | Document type: Research, Background and Discussion Papers
June 2013 | 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
September 1997 | Publisher: European Council on Refugees and Exiles | Document type: Research, Background and Discussion Papers