A study of the persistence of a crutch when multiplying by a two-place number

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Date
1955
DOI
Authors
Cogswell, Norma
Version
URI
https://hdl.handle.net/2144/7982
OA Version
Citation
Abstract
Description
Thesis (Ed.M.)--Boston University
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Based on investigation of the BU Libraries' staff, this work is free of known copyright restrictions
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Dissertations and Theses (pre-1964)