Nigeria - Water - See more
Date of text: 23 August 1993
Date of text: 28 April 2011
Date of text: 10 August 2010
Date of text: 2010
Date of original text: 10 May 1999 (21 February 2013)
Date of original text: 01 October 1986 (28 February 2013)
Date of original text: 02 March 1985 (21 February 2013)
Date of original text: 15 August 1991 (15 February 2013)
Date of original text: 05 January 1961 (21 February 2013)
Date of text: 2022
Date of text: 2004
Date of text: 2011
Date of text: 24 December 2017
Date of text: 16 April 2014
Date of text: 2013
Date of text: 27 August 1991
Date of text: 01 August 1991
Date of text: 20 October 2016
Date of text: 01 December 2016