New Unesco source book for science teaching.
| Collectivité auteur: | |
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| Format: | Livre |
| Langue: | English |
| Publié: |
Paris, Hyderabad, India :
Unesco, ; University press
1979.
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| Sujets: | |
| Classic Catalogue: | View this record in Classic Catalogue |
| Description matérielle: | 270 p. illus., fold. col. map. 24 cm. |
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| ISBN: | 8173712018 |