https://support.cgu.edu/hc/en-us/community/posts/32101671324052–%F0%9D%95%BE%F0%9D%96%95%F0%9D%96%8E%F0%9D%96%97%F0%9D%96%8E%F0%9D%96%99-How-to-get-a-refund-from-Spirit-24-7-Support

https://www.devex.com/people/como-llamar-a-british-airways-desde-mexico-2088990

https://isgengage.zendesk.com/hc/en-us/community/posts/32161656434964–Cu%C3%A1l-es-la-pol%C3%ADtica-de-cancelaci%C3%B3n-de-Latam

https://lacdmhowr.powerappsportals.us/forums/general-discussion/57562fdc-3da3-ef11-b542-001dd8097a1a

https://isgengage.zendesk.com/hc/en-us/community/posts/32161656434964–Cu%C3%A1l-es-la-pol%C3%ADtica-de-cancelaci%C3%B3n-de-Latam

https://support.cgu.edu/hc/en-us/community/posts/32161931024276–Step-By-Step-How-do-I-get-a-response-from-Spirit-Airlines-1-804-853-9001

https://www.devex.com/people/servicio-de-ayuda-instantanea-f9-cuanto-cobra-frontier-por-cambiar-un-vuelo-2091475

https://isgengage.zendesk.com/hc/en-us/community/posts/32161656434964–Cu%C3%A1l-es-la-pol%C3%ADtica-de-cancelaci%C3%B3n-de-Latam

https://isgengage.zendesk.com/hc/en-us/community/posts/32161656434964–Cu%C3%A1l-es-la-pol%C3%ADtica-de-cancelaci%C3%B3n-de-Latam

https://www.devex.com/people/f9-no-refund-fee-does-frontier-give-you-a-refund-policy-refund-instant-2091420