The lighthouse and fresnel lens : men of the sea
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| Format: | Book |
| Published: |
Selangor :
Ilmiah Pub ,
2004
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| Series: | Science in action series
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| Subjects: |
| Item Description: | Children ages 7-9 years old (orange) |
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| ISBN: | 9832571901 (Series) 9832571952 |