Rural ventilated improved pit latrine a field manual for Botswana
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Washington, D.C.
IBRD/World Bank
c1983
|
| श्रृंखला: | TAG technical note
no.8 |
| विषय: |