| 000 | 00504nam a22001697a 4500 | ||
|---|---|---|---|
| 008 | 230418b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a37.001.5 _bL3 |
||
| 100 |
_aDalen, Deobold B Van _96675 |
||
| 245 |
_aUnderstanding educational research: _bAn introduction |
||
| 250 | _a3rd ed. | ||
| 260 |
_aNew York: _bMcGraw-Hill Book Company, _c1911 |
||
| 300 | _a532p. | ||
| 650 | _aEducation | ||
| 653 | _aResearch | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c20281 _d20281 |
||