00498    a2200169   4500020001500000082001600015100002000031245005000051260005800101300002300159650001900182650002300201650001600224650004000240650002400280700002400304  a0137468350  a519.72bYIH  aChang, Yih-Long  aQSB+ bquantitative systems for business plus  aNew JerseybPrentice - Hall Internationalc1989g1989  axiii, 290p.c23cm.  aLinear Systems  aLinear programming  aProgramming  aProbabilities - Applied Mathamatics  aApplied Mathematics  aSullivan, Robert S.