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_a511.8 _bS524M |
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_aSharma, J.K. _91406 |
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| 245 | 0 |
_aMathematical models in operations research. _c J.K.Sharma |
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| 260 |
_aNew Delhi. _bMcGraw Hill. _c1989 |
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| 300 | _a620p | ||
| 942 | _cBK | ||
| 950 | _o511.8 S524M | ||
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_c1762 _d1762 |
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