| 000 | 00354nam a22001457a 4500 | ||
|---|---|---|---|
| 003 | LIB | ||
| 008 | 221213b |||||||| |||| 00| 0 eng d | ||
| 082 | _a371.102 MAN | ||
| 100 | _aMangal, S. K.; Mangal, Shubhra | ||
| 245 | _aLearning and Teaching | ||
| 260 |
_aDelhi _c2021 _bPHI |
||
| 300 | _a563 | ||
| 650 | _aLearning and Teaching | ||
| 942 |
_2ddc _cBK _02 |
||
| 999 |
_c9154 _d9154 |
||