| 000 | 00503nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1990 xx 000 0 und d | ||
| 082 | _aT 155.5 G96D | ||
| 100 | _aGURDEEP Kaur | ||
| 245 | 0 | _aDevelopmental patterns of formal operational thought in relation to age, sex and social class | |
| 250 | _aChild Development | ||
| 260 |
_aLudhiana _bPAU _c1990 |
||
| 300 | _a116L | ||
| 650 | _aADOLESCENT PSYCHOLOGY | ||
| 653 | _aADOLESCENT PSYCHOLOGY | ||
| 653 | _aTHOUGHT AND THINKING | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c96779 _d96779 |
||