Hira, D. S., & Prem kumar gupta. (1999). Operations research. S. Chand and Company Ltd.
Chicago Edition CitationHira, D S., and Prem kumar gupta. Operations Research. New Delhi: S. Chand and Company Ltd, 1999.
Deismireacht MLAHira, D S., and Prem kumar gupta. Operations Research. S. Chand and Company Ltd, 1999.
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