https://www.goodreads.com/quotes/13087841-c-mo-hablar-directamente-en-latam-hablar-directamente-con-un-representante
https://cris.unu.edu/sites/cris.unu.edu/files/webform/20-key-strategies-to-successfully-reach-quickbooks-enterprise-support-contact-phone-email-and-more.pdf
https://www.hipertrofia.org/forum/topic/267476-20-maneras-de-contactar-a-atenci%C3%B3n-al-cliente-de-delta-airlines-sin-esperar-hora/
https://cris.unu.edu/sites/cris.unu.edu/files/webform/nineteen-ways-to-contact-to-live-agent-at-hawaiian-airlines-a-quick-guide.pdf