https://support.google.com/edu/classroom/thread/332055592?hl=en&sjid=12055483471141921912-NA

https://intercom.help/macs-international/en/articles/10868668-how-to-dispute-a-charge-with-expedia

https://support.google.com/phoneapp/thread/332633629?hl=en&sjid=13013422172143048921-NC

https://support.google.com/phoneapp/thread/332607055?hl=en&sjid=7172734701989151205-NC

https://www.quecochemecompro.com/opiniones/numero-de-telefono-oficial-plus-52-557-005-0123-como-llamo-a-westjet-desde-mexico/

https://intercom.help/macs-international/en/articles/10868664-how-to-dispute-a-charge-with-expedia

https://intercom.help/expedia-customer-support-744e965b8721/en/articles/10869226-free_charge-how-much-does-expedia-charge-for-cancellation

https://www.yelp.com/biz/british-airways-boston-2?hrid=Ihcb0oai2fgbXrN4mx15WQ&utm_campaign=www_review_share_popup&utm_medium=copy_link&utm_source=(direct)

https://www.quecochemecompro.com/opiniones/chatea-ahora-como-comunicarse-con-

https://suppor-thelp.reamaze.com/articles/how-to-contact-expedia-support-phone-numbers-live-chat-and-email-explained