Sixth grade Indonesian student explanations of directions on flat maps and globes, of the earth's rotation to cause night and day, and of the relative positions of the earth, moon, and sun during an eclipse /
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| 格式: | Thesis 图书 |
| 语言: | English |
| 出版: |
Iowa City :
University of Iowa,
2001
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| 实物描述: | vii, 110 p. : ill. ; 22 cm. |
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| 参考书目: | References : p. 105-110 |