01018nam a2200253 a 450000100080000000500110000800800410001910000170006024500340007726000360011130000110014752004360015865000140059465000150060865000180062365000150064165300180065665300120067465300150068665300140070165300130071565300180072870000180074615621112003-09-15       1971    bl uuuu      00u1 u    #d1 aROGER, E. M.  aCommunication of innovations.  aLondon: Collier Macmillanc1971  a476 p.  aElements of diffusion: an overview, Marging diffusion research traditions: The middle range analysis, The innovation-decision process, Perceived attributes of innovations and their rate of adoption, Adopter categories, Opinion leadership and the multi-step flow of ideas, The change agent, Communication channels, Collective innovation-decisions,Authority innovation-decision and organizational change, Consequences of innovations.  adiffusion  atechnology  aComunicação  aTecnologia  aCommunicacion  aDifusao  aInnovation  aInovacoes  aTransfer  aTransferencia1 aSHOEMAKER, F.