https://cris.unu.edu/sites/cris.unu.edu/files/webform/thirty-3-ways-to-reach-a-human-at-alaska-airlines-via-email-call-or-chat.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/20-ways-to-reach-alaska-airlines-customer-care-and-speak-to-a-live-agent-via-phone-chat-or-email.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/twenty-six-ways-to-call-and-talk-to-a-human-at-jetblue-airlines-customer-help-center.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/twenty-nine-ways-to-talk-to-live-agent-at-avianca-airlines-a-quick-guide.pdf

https://www.hipertrofia.org/forum/topic/267515-18-steps-to-speak-to-a-live-person-at-air-canada%E2%84%A2%EF%B8%8F-usa-complete-assistance/

https://cris.unu.edu/sites/cris.unu.edu/files/webform/como-hablar-directamente-con-southwest-airlines.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/twenty-nine-ways-to-talk-to-a-real-person-at-turkish-airlines-customer-service-support.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/como-con-ctese-con-un-agente-en-vivo-en-southwest-airlines.pdf

https://www.hipertrofia.org/forum/topic/267514-air-canada%C2%AE%EF%B8%8F-usa-contact-numbers-a-detailed-guide-for-reaching-support/

https://mforum.cari.com.my/forum.php?mod=viewthread&tid=5456493