00331nam a2200121Ia 4500008004100000082002100041100001400062245003200076250000600108260002700114300000600141650006200147150614s9999    xx            000 0 und d  a004.21  YEA-S  R  aDon Yeats  aSystems Analysis and Design  a1  bMcGraw Hill Inc.c1994  a0  aSystems Analysis and Design  Don Yeats  CHANGE MANAGEMENT