| 000 | 00342nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aUNESCO | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aPresent situation and trends of research in the field of special education | ||
| 260 |
_aParis _bUnited Nations Educational, Scientific and Cultural Organization _c1973 |
||
| 082 | _a3719 | ||
| 300 | _a306 | ||
| 999 |
_c407973 _d407973 |
||
| 041 | _aeng | ||