Discovering technology : communication /
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Orlando :
Harcourt Brace Jovanovich,
[1986]
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| Subjects: |
| Item Description: | Grade 7. Includes index. |
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| Physical Description: | 320 pages : illustrations (some color) ; 26 cm. |
| ISBN: | 0153075007 |