Integrated science in the junior secondary school in Sri Lanka
Main Author: | |
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Corporate Authors: | , |
Language: | English |
Published: |
Paris:
Unesco Press,
1976.
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Series: | Experiments and innovations in education;
no.27 |
Subjects: |
Physical Description: | 31 p. ; 21 cm.. |
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ISBN: | 9231013742 |