Fighting poverty through sustainable water use - Humphreys, E.; Bayot, Ruvicyn S.; Brakel, Martin L. van; Gichuki, Francis N.; Svendsen, Mark; Wester, P.; Huber-Lee, Annette; Cook, Simon E.; Douthwaite, Boru; Hoanh, Chu Thai; Johnson, Nancy L.; Nguyen-Khoa, Sophie; et al. (CGIAR Challenge Program on Water and Food, 2008)