The measurement and interpretation of service output changes a report carried out on behalf of the National Economic Development Office
| Prif Awdur: | |
|---|---|
| Awdur Corfforaethol: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London
National Economic Development Office
1972.
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| Pynciau: |