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Josephine McKeeby Phillips
Introduces the principles of right angles through paper folding techniques which allow the reader to construct a rectangle and a square.
| Publisher | Crowell |
|---|---|
| Pages | 33 |
| Search language | english |
| ISBN_10 | 0-690-60916-7 primary |
| ISBN_10 | 0-690-60917-5 primary |
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