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The value of school supervision demonstrated with the zone plan in rural schools,

Thesis (Ph. D.)--Columbia University, 1921. / Vita. Bibliography: p. 127-129.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/259958386
Date January 1921
CreatorsPittman, Marvin Summers,
PublisherBaltimore, Warwick & York, Inc.,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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