Hira, D. S., & Gupta, P. K. (1997). Operations Research. Modern Book Centre.
Dyfyniad Arddull ChicagoHira, D. S., and P. K. Gupta. Operations Research. New Delhi: Modern Book Centre, 1997.
Dyfyniad MLAHira, D. S., and P. K. Gupta. Operations Research. Modern Book Centre, 1997.
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