Biblio

D. T. Lauria, Wright, A. M., Hughes, J., Choe, K., Whittington, D., and Swarna, V., “Household demand for improved sanitation services : a case study of Kumasi, Ghana”, vol. no. 3. World Bank, Water and Sanitation Division, Washington, DC, USA, p. ix, 118 p.: 17 fig., 24 tab., 1992.

D. Kinley, “Kumasi's people pay for better sanitation services”, Source, pp. p. 4-9: photogr., 1992.

J. Graham, “Ghana experiments with low-cost latrines”, Source, pp. p. 12-15: photogr., map, 1990.