| 000 | 00421nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 200204s9999 xx 000 0 und d | ||
| 082 | _a379.54 VAI | ||
| 100 | _a"Vaidya, Shobha" | ||
| 245 | 0 | _a"Effect of mastery learning and concept attainment, self concept and attitude" | |
| 260 | _aNew Delhi | ||
| 260 | _bClassical Publishing | ||
| 260 | _c1997 | ||
| 300 | _a203 p. | ||
| 650 | _aEducation India | ||
| 942 | _cBK | ||
| 999 |
_c66043 _d66043 |
||