| 000 | 00313nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aUNESCO | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aManual of educational statistics | ||
| 260 |
_aUnesco _bUnited Nations Educational, Scientific and Cultural Organization _c1961 |
||
| 082 | _a375.31 | ||
| 300 |
_bPb _c31.8 _a241 |
||
| 999 |
_c394620 _d394620 |
||
| 041 | _aeng | ||