| 000 | 00313nam a2200121Ia 4500 | ||
|---|---|---|---|
| 365 | _b6.5 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aThe study of environment in school _bResearch in comparative education |
||
| 260 |
_aGeneva _bInternaional Bureau of education _c1968 |
||
| 082 | _a375 | ||
| 300 |
_bPb _axli,187,3 |
||
| 999 |
_c421010 _d421010 |
||
| 041 | _aeng | ||