00285    a2200109   4500020001800000082001800018100002500036245002400061260004400085300002200129650002400151  a9780070263734  a658.4034bSIV  aSivarethinamohan, R.  aOperations research  aNew DelhibTata Mcgraw hillc2008g2008  axvi, 596p.c24cm.  aOPERATIONS RESEARCH