| 000 | 00357nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180413s9999 xx 000 0 und d | ||
| 020 | _a0070679452 (Pbk) | ||
| 100 | _aWallaen Norman E | ||
| 245 | 0 | _aEducational Research A Guide To The Process | |
| 260 | _bNew York : Mcgraw-Hill 1991. | ||
| 300 | _a363 | ||
| 546 | _aEng | ||
| 690 | _aEducation ; Research. | ||
| 999 |
_c16744 _d16744 |
||