| 000 | 00353nam a2200109Ia 4500 | ||
|---|---|---|---|
| 001 | 83684 | ||
| 008 | 170722s9999 xx 000 0 und d | ||
| 100 | _aSubhash, B. | ||
| 245 | _aEffect of disequilibration-equilibration model of teaching biology on achievement and cognitive development of higher secondary students / | ||
| 260 | _c1992. | ||
| 942 | _cGEN | ||
| 999 |
_c163978 _d163978 |
||