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Office Workers

Sol SwerdloffUnited States. Bureau of Labor Statistics

其他書名	Salaries, Hours of Work, Supplementary Benefits, New York, N.Y., February 1950
出版	U.S. Government Printing Office, 1950
URL	http://books.google.com.hk/books?id=XDO90AEACAAJ&hl=&source=gbs_api