https://cris.unu.edu/sites/cris.unu.edu/files/webform/30-ways-to-reach-volaris-airlines-support-by-email-phone-live-chat-via-call-email-or-chat.pdf

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://paperswithcode.com/method/contact-us-what-is-the-cheapest-day-to-book

https://forums.lenovo.com/t5/Lenovo-Sales-Configurators/United-Airlines-Contact-Guide-2025-45-Ways-to-Reach-Customer-Service-by-Phone-Chat-Email/m-p/5388706

https://www.martview-forum.com/dev/index.php?threads/43424/

https://community.ring.com/conversations/ring-home-plan/cmo-hablar-directamente-en-guiderapida/686e3543b811cb4be9a23938

https://www.returnofreckoning.com/forum/viewtopic.php?t=57301

https://www.goodreads.com/quotes/13093079-how-do-i-ask-a-question-at-expedia-ask