| |
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| Utgitt
| Los Angeles : Manpower Research Center, Institute of Industrial Relations, University of California , [1974]
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| Omfang
| |
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| Opplysninger
| "Prepared for the Manpower Administration, U.S. Department of Labor, under research and development contract (grant) No. 31-05-70-07-A."
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| Emner
| |
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