Evaluating development projects a manual for the use of field workers
| Prif Awdur: | |
|---|---|
| Awdur Corfforaethol: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[Paris]
Unesco
[1966].
|
| Rhifyn: | 2nd ed., rev. |
| Cyfres: | Technology and society
|
| Pynciau: |