000
00305nam a2200133Ia 4500
008
220201s2012 xx 000 0 eng d
082
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658.4034
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VIV
100
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Vivek Kumar
245
0
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Operation research
250
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4th
260
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New Delhi: SK Kataria
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2012
300
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489
942
_2
ddc
999
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88331
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88331