@book{13478,
	author = {Whittington, Dale and Lauria, Donald T. and UNDP/World Bank Water and Sanitation Program.},
	title = {Household demand for improved sanitation services : a case study of Kumasi, Ghana.},
	publisher = {The World Bank,},
	year = {1992.},
	series = {(Water and sanitation report ; 3.},
	address = {Washington, D.C. : }
}