Biblio

D. Edwards, Davis, J., and Bellido, E., “Evaluation of Peru's national sanitation policies”, vol. no. 12E. Environmental Health Project (EHP), Arlington, VA, USA, p. xxi, 75 p. : fig., tab., 2004.

P. Cross and Davis, J., “Scaling up the DRA model of RWS service delivery in sub-Saharan Africa : a rapid assessment of experience”. Water and Sanitation Program, WSP, Washington, DC, USA, p. 14 p. : 3 fig., 2003.

J. Davis and Iyer, P., “Taking sustainable rural water supply services to scale : a discussion paper”. Water and Sanitation Program, WSP, Nairobi, Kenya, p. 28 p. : photogr., 2002.