P. B. Moriarty, Naafs, A., Pezon, C., Fonseca, C., Uandela, A., Potter, A., Batchelor, C., Reddy, R., and Snehalatha, M.,
“WASHCost theory of change: reforms in the water sector and what they mean for the use of unit costs”,
WASHCost global working papers, vol. 1. IRC , The Hague, p. iii, 39 p.; 6 fig.; 1 box; 4 tab., 2010.