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| Utgitt
| Columbus, Ohio : C. E. Merrill , c1969
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| Omfang
| |
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| Opplysninger
| Revision of Toward improved understanding of mathematics, part II, by M. V. DeVault, published in 1960, and of part of the combined revised ed. by R. Osborn and others, published in 1961 under the title Extending mathematics understanding.
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| Emner
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