00309nam a2200121Ia 4500008004100000041000800041100001400049245005200063250000800115260004800123300000800171365000800179231011s9999    xx            000 0 und d  aeng  aApte D.P.  aOperations Research and Quantitative Techniques  a1st  bExcel Books Pub.  New Delhi New Delhic2013  a744  b396