00366nam a2200121Ia 4500008004100000020001800041040002500059082002300084100002600107245004800133260005500181490000800236240725s9999 xx 000 0 und d a9789719654911 aNORSU-GuicNORSU-Gui aFil.658.5/P34o/c.1 aLorma S. L. San Pedro 0aOperations research for business management bUnlimited books library services & publishing Inc. vc.1