00436nam a2200133 a 450000500170000002000130001708200170003010000210004724501030006826000320017130000240020349000590022770000160028620251203090739.0  a72043310  a330.028bSEN  aSengupta, Jati K  aOptimization techniques in quantitative economic modelsbeconomic analysis and operations research  aLondonbNorth Hollandc1969  axv, 478p.c24cm. HB  astudies in mathematical & managerial economicsdvol.10  aFox, Karl A