Planning of communication support (information, motivation and education) in sanitation projects and programs
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
World Bank
1983.
|
| Saila: | TAG technical note
no. 2 |
| Gaiak: |