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| 020 | _c375 | ||
| 040 | _aET | ||
| 082 | _a658.54 CHA K | ||
| 100 |
_aChawla, K.K _911546 |
||
| 245 | _aOperations research | ||
| 260 |
_aNew Delhi _bKalyani Publishers |
||
| 300 | _a1028p. | ||
| 700 |
_aGupta, Vijay _95668 |
||
| 942 | _cBK | ||
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_c94310 _d94310 |
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