Getting the facts, a fieldwork guide for evaluators and policy analysts
| Prif Awdur: | |
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| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Santa Monica, Calif.
Goodyear Pub.
c1980.
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| Cyfres: | Goodyear public policy analysis and management series
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| Pynciau: |