| 000 | 00339nam a2200145Ia 4500 | ||
|---|---|---|---|
| 005 | 20250829163403.0 | ||
| 082 |
_a826 _bBIC |
||
| 100 |
_aBiswas, P K _9180813 |
||
| 245 |
_aCommercial letters _cP K Biswas |
||
| 260 |
_aCalcutta: _bRatan Book Agency, |
||
| 300 | _b240p. | ||
| 546 | _aeng | ||
| 650 |
_aEnglish letters _9131528 |
||
| 942 | _cBK | ||
| 999 |
_c55304 _d55304 |
||