| 000 | 003390000a22001330004500 | ||
|---|---|---|---|
| 008 | 140223b1970 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEng | ||
| 080 | _aTb4 L0 | ||
| 082 | _aTb4 L0 | ||
| 100 | _aMouly George J. | ||
| 245 | _aScience of educational research, Edn.2. | ||
| 260 |
_aNew York _bVan Nostrand _c1970 |
||
| 650 | _aEducation | ||
| 999 |
_c81973 _d81973 |
||