| 000 | 00332nam a22001217a 4500 | ||
|---|---|---|---|
| 082 |
_a370.78 _bLEH.E |
||
| 100 | _aLehmann, Irvin J ed. | ||
| 245 |
_aEducational research / _cedited by Irvin J Lehmann, and William A Mehrens |
||
| 260 |
_aNew York : _bHolt Rine hart, _c1971. |
||
| 300 | _a460p. : | ||
| 650 | _aResearch | ||
| 942 | _cBK | ||
| 999 |
_c624485 _d624485 |
||