Handpumps toward a sustainable technology : research and development during the water supply and sanitation decade
| প্রধান লেখক: | |
|---|---|
| সংস্থা লেখক: | , |
| বিন্যাস: | গ্রন্থ |
| ভাষা: | English |
| প্রকাশিত: |
Washington, D.C.
UNDP-World Bank Water and Sanitation Program
c1992.
|
| মালা: | Water and sanitation report
no.5 |
| বিষয়গুলি: |