The Present situation and trends of research in the field of special education, four studies Sweden and other Scandinavian countries, Union of Soviet Socialist Republics, United States of America, Uruguay.
| Müşterek Yazar: | |
|---|---|
| Materyal Türü: | Kitap |
| Dil: | English |
| Baskı/Yayın Bilgisi: |
Paris
Unesco
1973.
|
| Konular: |