| 000 | 00327nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220117s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a70668833 | ||
| 040 | _cIAB | ||
| 082 | _a370.78 VAN 1979 | ||
| 100 | _aVan Dalen, Deobold B. | ||
| 245 | 0 | _aUnderstanding Educational Research : An Introduction. | |
| 260 |
_bMcgraw-Hill _c1979 |
||
| 999 |
_c30418 _d30418 |
||