1. World Health Organization. Universal eye health—a global action plan 2014–19. 2014. 28 p. ISBN 978 92 4 150656 4
2. Prevalence and causes of blindness and visual impairment in Sokoto state, Nigeria: baseline data for VISION 2020: the Right to Sight eye care programme;N Muhammad;Middle East Afr J Ophthalmol,2011
3. Sightsavers International. Sokoto state eye care programme 2005–2009 project document. Sightsavers International Kaduna Nigeria. 2005. 48 p.
4. Abiose A, Tureta S, Alhassan M, Adekeye O (Review team). Strategic evaluation of the Sokoto state eye care programme, Nigeria Sightsavers Supported from 2005–2014. Sightsavers, Kaduna Nigeria. 2014. 73 p.
5. National Population Commission, Abuja. Nigeria. 2006 National and state population and housing tables—Priority tables I. 2010. 347 p.