1. Ararso GS. 2005. Contribution of water management measures to food production in the Sub-Saharan Africa Region. MSc thesis, UNESCO-IHE, Delft, the Netherlands.
2. Food and Agriculture Organization (FAO). 1999. Agriculture towards 2015â2030. FAO Work in Progress, Rome, Italy.
3. Food and Agriculture Organization (FAO). 2004. The State of Food and Agriculture 2003â2004. Rome, Italy.
4. Food and Agriculture Organization (FAO). 2005. Irrigation in Africa in Figures. Rome, Italy.