Biblio

D. Whittington, Lauria, D. T., Wright, A. M., Choe, K., Hughes, J., y Swarna, V., «Households' willingness to pay for improved sanitation in Kumasi, Ghana: results of a contingent valuation study», vol. SW 7. World Bank, Water and Sanitation Division, Washington, DC, USA, p. 4 p.: 1fig., 1 tab., 1992.

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

D. Whittington, «Possible adverse effects of increasing block water tariffs in developing countries», Economic development and cultural change, pp. p. 75-87: 6 tab., 1992.

L. A. Obeng y Locussol, A. R., «Sanitation planning : a challenge for the 90s». UNDP-World Bank Water and Sanitation Program, Washington, DC, USA, p. 13 p., 1992.

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

R. G. Feachem, «Excreta disposal facilities and intestinal parasitism in urban Africa : preliminary studies in Botswana, Ghana and Zambia», Transactions of the Royal Society of Tropical Medicine and Hygiene, pp. p. 515-521, 1983.

M. Blaho, «U.S.T. type well pump». Kumasi University of Science and Technology, Kumasi, Ghana, p. 9 p. : 4 fig., 1972.

G. H. Kumasi Hea Kumasi, «Guidelines for the use of participatory health education materials by public health workers». Kumasi Health Education Project, Kumasi, Ghana, p. 7 p. : ill.

R. M. Brook y Dávilla, J. D., «The peri-urban interface: a tale of two cities». Development Planning Unit, London, UK, p. vii, 251 p.; tab.