00469nam a2200169Ia 4500082002200000100001900022245004900041260003100090300001700121500000500138690000600143700000500149952010400154964001700258921000900275999001500284  a658.4034bH332.OR  aHartley, R. V.  aOperations research; a managerial emphasisb  aCaliforniabGoodyearc1976  axviii, 795p.  a  a   a  00104070aISIbISId1998-09-09l0o658.4034 H332.ORpDP10175r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a9712  c9712d9712