000 | 00403nam a2200109Ia 4500 | ||
---|---|---|---|
082 |
_a370 _bJAY.E |
||
100 | _aJayasree, P | ||
245 | 0 |
_aExtent of concrete and formal thinking abilities linked to age and environment of high school science students In kerala State / _cby Jayasree P |
|
260 |
_aThiruvananthapuram : _bDept of Education,University of Kerala, _c1987. |
||
650 | _aEducatuion | ||
942 | _cTH | ||
999 |
_c324338 _d324338 |