Methods for gathering socio-cultural data for water supply and sanitation projects.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Washington, D.C.
IBRD/World Bank
c1983
|
| Cyfres: | TAG technical note
no.1 |
| Pynciau: |