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Measuring efficiency in supervision and teaching

Thesis (Ph. D.)--Columbia University, 1925. / Vita. Published also as Teachers college, Columbia university, Contributions to education, no. 175. "References and bibliography": p. 98.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/298886939
Date January 1925
CreatorsCrabbs, Lelah Mae,
PublisherNew York city, Teachers college, Columbia University,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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