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_221 _a658.4034/ GUP |
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_aGupta, Prem Kumar, _96830 |
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| 245 |
_aProblems in Operations Research : _bPrinciples and Solutions / _c Prem Kumar Gupta & D S Hira. |
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| 260 |
_aNew Delhi : _bS. Chand & Company, _cc1991. |
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| 300 |
_a1078p. : _bill. ; _g20 cm |
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| 650 |
_a1. Operation researcch. _97419 |
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| 650 |
_a2 . Mechanical engineering. _91809 |
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| 700 |
_aHira, D S _96831 |
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| 942 |
_2ddc _cBK |
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_c4470 _d4470 |
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