00334nam a2200145Ia 4500008004100000041000800041082001400049100001500063245003100078250000800109260003600117300000800153365000800161999001900169231011s9999    xx            000 0 und d  aeng  a658.8/GUP  aGupta S.L.  aProduct Management (Gupta)  a1st  bWisdom Publications Delhic2017  a317  b368  c912233d912233