https://www.italki.com/en/post/0yDa5IpoXGMJSZfilgI97B

https://www.goodreads.com/quotes/12724825-11-maneras-de-contactar-con-el-servicio-de-atenci-n-al

DFS

https://support.google.com/mail/thread/337897151?hl=fr&sjid=16659315678528167037-NC

https://www.goodreads.com/quotes/12724834-how-do-i-communicate-to-expedia-support-experts-live-when-you-need

https://community.whattoexpect.com/forums/chicago/topic/methods-for-reaching-a-volaris-airlines-customer-support-agent-247-service-169551046.html

https://www.goodreads.com/quotes/12724821-11-maneras-de-contactar-con-el-servicio-de-atenci-n-al

https://www.goodreads.com/quotes/12724832-how-do-i-communicate-to-expedia-support-experts-live-when-you-need

https://www.goodreads.com/quotes/12724829-how-do-i-communicate-to-expedia-support-experts-live-when-you-need

https://community.whattoexpect.com/forums/australian-parents/topic/cmo-puedo-conseguir-un-humano-en-avianca-169550893.html