Final report Regional Seminar on School Science Equipment, New Delhi, 11-20 December 1972 convened by Unesco in co-peration with the Government of India and UNICEF.
| Корпоративные авторы: | , , , |
|---|---|
| Формат: | |
| Язык: | English |
| Опубликовано: |
Bangkok
Unesco Regional Officef or Education in Asia
c1973.
|
| Предметы: |