| 000 | 00435nam a2200169Ia 4500 | ||
|---|---|---|---|
| 020 | _a0335033253 | ||
| 082 |
_a370.78 _bEXP |
||
| 100 |
_aThe Open University _9191859 |
||
| 245 |
_aExperiment in educational research _cThe Open University |
||
| 260 |
_aLondon: _bThe Open University, _c1973. |
||
| 300 | _a53p. | ||
| 500 | _aPB | ||
| 546 | _aEng | ||
| 650 |
_aEducational research _9191860 |
||
| 650 |
_aEducation _9191861 |
||
| 942 | _cBK | ||
| 999 |
_c5458 _d5458 |
||