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Measurements, Statistics, and Methods of Experimental Research || The Development and Application of Age Progress Percentile Norms of Elementary School Achievement
Ethel L. CornellVolume:
12
Language:
english
Journal:
The Journal of Experimental Education
DOI:
10.2307/20150796
Date:
March, 1944
File:
PDF, 3.65 MB
english, 1944