Elementary school mathematics: new directions.
Hlavní autor: | |
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Médium: | Kniha |
Jazyk: | English |
Edice: | Bulletin (United States. Office of Education) ;
1963, no. 13. |
Témata: |
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Rowan
Signatura: |
QA135.5.D4 |
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PennWest
Signatura: |
L111 .A6 1963 no. 13 |
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Scranton
Signatura: |
QA135.5 .D4 |
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