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_aKalavathy, S. _92129 |
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| 245 | 0 | _aOperations research | |
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| 260 | _aNoida | ||
| 260 | _bVikas Publishing | ||
| 260 | _c2019 | ||
| 300 | _axviii, 533 | ||
| 942 | _cBK | ||
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_c202767 _d202767 |
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