https://deltaperu.zohodesk.com/portal/en/kb/articles/c%C3%B3mo-puedo-llamar-a-delta-airlines-en-per%C3%BA-10-7-2025
https://www.goodreads.com/quotes/13107843-how-to-speak-directly-on-latam-airlines-to-talk-to

https://www.goodreads.com/quotes/13108712-expedia-me-reembolsar-el-dinero-si-cancelo-un-vuelo-si
https://www.goodreads.com/quotes/13109154-expedia-me-reembolsar-el-dinero-si-cancelo-un-vuelo-expedia-mexico-claro

https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/Como-puedo-comunicarme-con-LATAM-Airlines-Peru.pdf
https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/%C2%BFC%C3%B3mo-puedo-llamar-a-Delta-en-Per%C3%BA_.pdf
https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/Como-llamar-al-call-center-de-Latam-Peru_telefono-de-LATAM.pdf
https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/Como-Puedo-Llamar-Delta-Airlines-Desde-Peru.pdf
https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/Como-Puedo-Llamar-Delta-Airlines-Desde-Peru_0.pdf