Biblio

E. Hewitt and Becker, S., “Cost recovery for water supply : a review of experience”. World Bank, Washington, DC, USA, p. 52 p.: tab., 1986.

M. Bamberger and Hewitt, E., Monitoring and evaluating urban development programs : a handbook for program managers and researchers, vol. no. 53. Washington, DC, USA: World Bank, 1986, p. xxvii, 263 p. : fig., chart, tab.