Talks for primary school teachers on the Cuisenaire-Gattegno approach to the teaching of mathematics /
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主要作者: | |
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格式: | 图书 |
语言: | English |
出版: |
Reading :
Educational Explorers,
1963.
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主题: |
实物描述: | 79 p. : ill. ; 22 cm. |
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