00377nam a2200145Ia 4500008004100000020001800041041000800059082001300067100002700080245003400107250000600141260004900147300001100196650002400207210716s2011    xx            000 0 und d  a9788184121476  aeng  a003 BHUA  aBhunia, A K; Sahoo, L.  aAdvanced operations research.  a1  aNew DelhibAsian Books private limitedc2011  axi,644  aOperations Research