000 | 00460nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 160608s9999 xx 000 0 und d | ||
020 | _a8170542594 | ||
100 |
_aVaidya, Shobha _9108522 |
||
245 | _aEffect of mastery learning and concept attainment model on achievement, self -concept and attitude | ||
260 | _aNew Delhi | ||
260 | _bClassical | ||
260 | _c1997 | ||
300 | _a205p | ||
650 |
_aEducation _9121 |
||
650 |
_aEductional psychology _9108523 |
||
999 |
_c49363 _d49363 |