New Unesco source book for science teaching.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Paris :
The Unesco Press,
1976.
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| Edition: | Second impression. |
| Subjects: |
| Item Description: | Druk w układzie dwuszpaltowym. |
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| Physical Description: | 270 stron, [1] karta tablic złożonych : ilustracje ; 23 cm. |
| Bibliography: | Indeks. |
| ISBN: | 9231010581 |