Pricing, subsidies, and the poor : demand for improved water services in Central America / Ian Walker... [et al.]
Pricing, subsidies, and the poor : demand for improved water services in Central America / Ian Walker... [et al.]
. - Washington : The World Bank, 2000
. - 23 p. 28 cm
. - (Policy research., Working paper; 2468)
338.5
330.59