New Unesco source book for science teaching
Diagrs., illus. Title of prev. eds.: Unesco source book for science teaching
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Paris (France) UNESCO
1973
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| Subjects: | PRIMARY EDUCATION, TECHNOLOGY, TEACHING, ENSEIGNEMENT PRIMAIRE, TECHNOLOGIE, ENSEIGNEMENT, EDUCACION PRIMARIA, TECNOLOGIA, ENSENANZA, |
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