Source: Economic Commission for Africa, Africa Review Report on Drought and Desertification: Section 2: &quot; Overview of drought and desertification situation in Africa &quot; , Addis Ababa, UNECA, 2008.
Source : ECA, Africa Review Report on Drought and Desertification, section 2 : &quot; Overview of drought and dersertification, situation in Africa &quot; , Addis Abeba, UNECA, 2008.