Https://urop.gatech.edu/sites/default/files/webform/thesis_approval_form_upload/_sid_/como-con-ctese-con-un-agente-en-vivo-en-delta-airlines.pdf https://urop.gatech.edu/sites/default/files/webform/thesis_approval_form_upload/_sid_/como-con-ctese-con-un-agente-en-vivo-en-delta-airlines.pdf