00295nam a2200109Ia 4500008004100000041000800041082001500049100002800064245004500092260004300137365000500180240624s9999    xx            000 0 und d  aeng  a658.45 HBR  aHARVARD BUSINESS REVIEW  aHARVARD BUSINESS REVIEW ON EFFECTIVE COM  aBostonbHarvard Businesss School Press  c