Progress and uniformity in child-labor legislation : a study in statistical measurement

Bibliographic Details
Main Author: Ogburn, William Fielding
Institution:CEDIAS-Musée social
Format: TEXT
Published: Columbia university (New York)
Subjects:
Online Access:http://hdl.handle.net/11160/761E7725-2949-4B6C-8AF1-DC7C4882F186

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