| 000 | 00329cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1960 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP232 In8 | ||
| 245 |
_aOrganization of special education for mentally deficient children _cby Unesco |
||
| 260 |
_aParis _bUnesco Publications _c1960 |
||
| 300 | _a272p. | ||
| 700 | _aFrance. Unesco | ||
| 999 |
_c414622 _d414622 |
||