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Physiological maturity in relation to certain characteristics of boys and girls a study of school children in New Britain, Connecticut

Thesis (Ph. D.)--University of Pennsylvania, 1929. / Bibliography: p. 112-113.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/612891768
Date January 1929
CreatorsLeal, Mary Ayres.
PublisherPhiladelphia,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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