00337nam a2200145Ia 4500008004100000020001800041041000800059082001700067100002000084245002100104250000600125260004100131300001100172650000800183210716s2017    xx            000 0 und d  a9788126569908  aeng  a658.812 HELL  aHelgeson, Lars.  aCRM for dummies.  a1  aNew DelhibWiley India Pvt Ltdc2017  axv,338  aCRM