00299nam a2200109Ia 4500008004100000041000800041082001600049100003400065245004200099260002900141300001900170241028s9999    xx            000 0 und d  aeng  a658.408 YOU  aYoung, David / Reeves, Martin  aSustainable Business Model Innovation  bDe GruyteraBostonc2023  a258;. P. 22 cm