Unesco's acativities in science and technology in the European and North American region.
| Materyal Türü: | Kitap |
|---|---|
| Dil: | English |
| Baskı/Yayın Bilgisi: |
Paris
Unesco
c1979
|
| Seri Bilgileri: | Science policy studies and documents
no. 45 |
| Konular: |