Tendances de l'education relative à l'environnement / Unesco.
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| Corporate Author: | |
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| Format: | Book |
| Language: | French |
| Published: |
Paris :
Unesco,
1977.
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| Subjects: |
| Physical Description: | 307 s. ; 27 cm. |
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| Bibliography: | Bibliogr. po rozdz. |
| ISBN: | 9232014017 |