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Dyfyniad Arddull ChicagoSharma, J. K. Operations Research: Theory and Applications. 3rd ed. Delhi: Macmillan, 1997.
Dyfyniad MLASharma, J. K. Operations Research: Theory and Applications. 3rd ed. Macmillan, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.