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The accomplishment ratio a treatment of the inherited determinants of disparity in school product,

Thesis (Ph. D.)--Columbia University, 1922. / Vita. Published also in Teachers College contributions to education. no. 125.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/260316109
Date January 1922
CreatorsFranzen, Raymond Hugh,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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