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Dyfyniad Arddull ChicagoErikson, Warren J., and Owen P. Hall. Computer Models for Management Science. Reading, Mass: Addison-Wesley, 1989.
Dyfyniad MLAErikson, Warren J., and Owen P. Hall. Computer Models for Management Science. Addison-Wesley, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.