https://intercom.help/mp-intercom/en/articles/10793883-how-do-i-make-a-claim-on-expedia-expedia

https://intercom.help/mp-intercom/en/articles/10793852-how-to-dispute-a-charge-with-expedia

https://intercom.help/tanavsinghani/en/articles/10793912-how-do-i-avoid-expedia-cancellation-fees-24-7-customer-expedia

https://fiverrpromotion.net/como-recuperar-dinero-de-expedia/

https://www.goodreads.com/quotes/12655575-british-airways-offers-a-24-hour-cancellation-policy-4-4-808-101-1554-uk

https://www.goodreads.com/topic/show/23082120-what-is-the-cancellation-policy-for-a-british-airways

https://intercom.help/tanavsinghani/en/articles/10793912-how-to-file-a-dispute-with-expedia-24-7-customer-expedia

https://fiverrpromotion.net/ayuda-y-contacto-como-hablar-con-un-asesor-en-expedia/

https://intercom.help/tanavsinghani/en/articles/10793912-how-do-i-get-a-human-at-expedia-24-7-customer-expedia

https://support.google.com/edu/classroom/thread/331511746?hl=en&notify=new&sjid=4734417929173475616-NA