Laboratory testing of handpumps for developing countries final technical report.
| Formatua: | Liburua |
|---|---|
| Hizkuntza: | English |
| Argitaratua: |
Washington
World Bank
c1984.
|
| Saila: | World Bank technical paper
19 Rural water supply handpumps project 3 UNDP project management report 3 |
| Gaiak: |