Handpumps toward a sustainable technology : research and development during the water supply and sanitation decade
| المؤلف الرئيسي: | |
|---|---|
| مؤلفون مشاركون: | , |
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
Washington, D.C.
UNDP-World Bank Water and Sanitation Program
c1992.
|
| سلاسل: | Water and sanitation report
no.5 |
| الموضوعات: |