Monitoring and evaluation of communication support activities in low-cost sanitation projects.
| 主要作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | 英语 |
| 出版: |
Washington, D.C.
IBRD/World Bank
c1984
|
| 丛编: | TAG technical note
no.11 |
| 主题: |