دورية
Developing the concept of place value
| العنوان: | Developing the concept of place value |
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| المؤلفون: | Nataraj, Mala Saraswathy, Thomas, Mike |
| المصدر: | New Zealand mathematics magazine, Aug 2007; v.44 n.2:p.1-13 |
| قاعدة البيانات: | Index New Zealand |
| تدمد: | 05490510 |
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