00285nam a2200121Ia 4500008004100000041000800041082001500049100001500064245003100079260003000110300000800140650001500148231219s9999    xx            000 0 und d  aeng  a658.56/GUP  aGupta S.L.  aProduct Management (Gupta)  bWisdom Publications Delhi  a317  aManagement