The average workweek as an economic indicator.
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
[New York] :
National Bureau of Economic Research ,
1959.
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| 叢編: | Occasional paper (National Bureau of Economic Research) ;
69. |
| 主題: |
| 實物描述: | 115 p. |
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