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, Prosser, Charles A., 1871-1952
, Winslow, Charles Henry, 1866-
and United States. Bureau of Labor Statistics.
Short-unit Courses for Wage Earners and a Factory School Experiment : Bulletin of the United States Bureau of Labor Statistics, No. 159 ,
Washington, D.C:
Government Printing Office,
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accessed on May 13, 2025.
@FedFRASER