A study of the problems in the instruction of mathematics in primary schools of Sri Lanka /
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| 主要作者: | |
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| 格式: | Thesis 图书 |
| 语言: | English |
| 出版: |
2001.
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| 实物描述: | viii, 98 leaves : illustrations, ; 30 cm. |
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| 参考书目: | Bibliography: leaves 92-94. |