February 2003 | Publisher: Geospatial Information Section | Document type: Maps
June 2002 | Publisher: UN Children's Fund (UNICEF) | Document type: Research, Background and Discussion Papers
15 August 2000 | Publisher: UN Children's Fund (UNICEF) | Document type: Research, Background and Discussion Papers
May 2000 | Publisher: UN Environmental Programme (UNEP) | Document type: Maps