| 000 | 00389nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1962 xx 000 0 und d | ||
| 082 | _a370.72 V19U | ||
| 100 | _aVAN DALEN, Desbold B | ||
| 245 | 0 | _aUnderstanding educational research : an introduction | |
| 260 |
_bN.Y. _c1962 |
||
| 300 | _a432p | ||
| 650 | _aEDUCATION -- RESEARCH | ||
| 653 | _aEDUCATION -- RESEARCH | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c12971 _d12971 |
||