Unesco handbook for science teachers.
Saved in:
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
Paris :
Unesco ; London : Heinemann,
1980.
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| Subjects: |
| Physical Description: | 199 s. : il. ; 24 cm. |
|---|---|
| ISBN: | 9231016660 0435579703 |