Developing and managing water supplies
Davis, Jan Garvey, Gerry
Developing and managing water supplies - Oxford Oxfam 1993 - vi,173p.; 22cm. - Development guidelines .
855981938
community water supply
Economic development - environmental factors - Africa
Samitation
Water quality
Water ways - Africa
Developing and managing water supplies - Oxford Oxfam 1993 - vi,173p.; 22cm. - Development guidelines .
855981938
community water supply
Economic development - environmental factors - Africa
Samitation
Water quality
Water ways - Africa