Inventing a numeration system
- 期刊名称The Arithmetic Teacher
- 作者KARL J. SMITH
- 卷第20卷
- 期第7期
- 印刷ISSN0004-136X
- 文件大小543.75KB
- 发表时间1973-11
- DOI10.2307/41188344
- 页码550-553
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