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Mathematical difficulties of students of educational statistics

Issued also as Thesis (Ph. D.)--Columbia University.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/603133669
Date January 1933
CreatorsBrown, Ralph,
PublisherNew York city, Teachers college, Columbia University,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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