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收藏Mendeley Data2024-01-31 更新2024-06-29 收录
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http://www.icpsr.umich.edu/icpsrweb/ICPSR/studies/6276
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资源简介：
The method of selection of the original Bureau of Labor Statistics sample is unclear, but it is felt that the sample fairly represents the urban population of the nation at the time of the interviews.
创建时间：
2024-01-31
