| 000 | 00420nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 230917s9999||||xx |||||||||||||| ||und|| | ||
| 040 |
_e89735 _aMAIN |
||
| 041 | _aEnglish | ||
| 082 | _a372.3 S23E | ||
| 100 | _aSharma, Ramesh Chander | ||
| 245 | 0 | _aEffect of four class room presentation modes on the achievement of secondary students in science | |
| 260 |
_aRohtak _bM D University |
||
| 300 | _a651 p. | ||
| 942 | _cTH | ||
| 999 |
_c73931 _d73931 |
||