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.
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Paris
Unesco
1973.
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| विषय: |