Integrated science in the junior secondary school in Sri Lanka /
| Автор: | |
|---|---|
| Співавтори: | , |
| Формат: | Книга |
| Мова: | English |
| Опубліковано: |
Paris :
Unesco Press,
1976.
|
| Серія: | Experiments and innovations in education ;
no. 27. Experiments and innovations in education. Asian series. |
| Предмети: | |
| Classic Catalogue: | View this record in Classic Catalogue |