Unesco handbook for biology teachers in Asia.
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| Язык: | English |
| Опубликовано: |
New Delhi
Unesco Regional Office of Science and Technology for South and Central Asia
1986.
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| Соавтор: | |
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| Формат: | |
| Язык: | English |
| Опубликовано: |
New Delhi
Unesco Regional Office of Science and Technology for South and Central Asia
1986.
|
| Предметы: |