Author
Hall, Effie Estella, 1897-Issue Date
1943Keywords
Arithmetic -- Study and teaching.
Metadata
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The University of Arizona.Rights
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.Type
textThesis-Reproduction (electronic)