Biblio

R. Roche, Mu, X., and Whittington, D., “The value of time spent on collecting water : some estimates for Ukunda, Kenya : case study”. World Bank, Infrastructure and Urban Development Department, Washington, DC, USA, p. iii, 21 p.: fig., tab., 1989.

X. Mu, Whittington, D., and Briscoe, J., “Willingness to pay for water in rural areas : methodological approaches and an application in Haiti”, vol. no. 213. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. ix, 93 p.: fig., tab., 1987.