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Dyfyniad Arddull ChicagoPanneerselvam R. Operations Research. 2nd ed. New Delhi: PHI Learning, 2012.
Dyfyniad MLAPanneerselvam R. Operations Research. 2nd ed. PHI Learning, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.