Low-cost technology options for sanitation a state-of-the art review and annotated bibliography
| Prif Awdur: | |
|---|---|
| Awduron Corfforaethol: | , |
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[Washington]
International Development Research Centre
1982.
|
| Cyfres: | Appropriate technology for water supply and sanitation
v.4 |
| Pynciau: |