000 | 00370nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 170101s1971 xx 000 0 und d | ||
082 | _a370.78 L44E | ||
100 | _aLEHMAN, Irvin J | ||
245 | 0 | _aEducational research : readings in focus | |
260 |
_bN.Y. _c1971 |
||
300 | _a460p | ||
650 | _aEDUCATIONAL RESEARCH | ||
653 | _aEDUCATIONAL RESEARCH | ||
942 |
_2ddc _cB |
||
999 |
_c45349 _d45349 |