The quality of labour and economic development in certain countries a preliminary study
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Geneva
[International Labor Office
1964.
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| Saila: | Studies and reports. New series International Labor Office; no.68
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| Gaiak: |