00294cam a2200169   450000500170000024500370001702000050005410000160005904400050007525000050008004100080008530000050009350000050009883000050010326000090010808200070011720260711133833.0  aLos Negocios en la Era Digitalb  a  aGates, Bill  a  a  aspa  a  a  v  abc  ab