Urban water supply conditions and needs in seventy -five developing countries / Bernd H.Dieterich and John m.Henderson
Dieterich,Bernd H Henderson,John M World health Organisation.
Urban water supply conditions and needs in seventy -five developing countries / Bernd H.Dieterich and John m.Henderson - Geneva WHO 1963 - 91p. - WHO public health papers .
Social problems and services
Urban water supply - developing countries
Urban water supply conditions and needs in seventy -five developing countries / Bernd H.Dieterich and John m.Henderson - Geneva WHO 1963 - 91p. - WHO public health papers .
Social problems and services
Urban water supply - developing countries