Central Statistical Organisation of Jemen. General Population Housing and Establishment Census 2004 Final Results [1]Arkivert 2013-05-21 ved Wayback Machine., Statistic Yearbook 2005 of Jemen [2]Arkivert 2010-06-20 ved Wayback Machine.
Central Statistical Organisation of Jemen. General Population Housing and Establishment Census 2004 Final Results [1]Arkivert 2013-05-21 ved Wayback Machine., Statistic Yearbook 2005 of Jemen [2]Arkivert 2010-06-20 ved Wayback Machine.