Hand pumps : Toward a sustainable technology :
| Autor principal: | |
|---|---|
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Washington, D.C. :
UNDP-World Bank Water and Sanitation Program ,
1992
|
| Edición: | 1a ed. |
| Colección: | Water and sanitation report ;
5 |
| Materias: |