https://forums.serebii.net/threads/ultimate-frontier-support-guide-how-to-reach-any-carrier-via-phone-chat-and-email.782573/

https://www.sgreefclub.com/forum/topic/250395-faqs~help-can-i-talk-to-a-real-person-at-quicken/

https://support.google.com/edu/classroom/thread/338100902?hl=en&sjid=7025340637366444665-NA

https://forums.serebii.net/threads/ways-to-call-lufthansa-airlines-customer-service-phone-chat-and-email-options-explained-guide.782572/

https://vocal.media/beat/how-do-i-ask-a-question-at-expedia-a-step-by-step-expedia-guide-hwcp80vu0#comment-8e4e8623-469b-4aff-a3a2-e14715d44884

https://forums.serebii.net/threads/ways-to-reach-lufthansa-airlines-customer-service-usa-by-phone-step-by-step-guide.782571/

https://forums.serebii.net/threads/ways-to-reach-lufthansa-customer-service-by-us-phone-chat-air-travel.782570/

https://www.italki.com/en/post/J6STBHafZiMbYBNgGJsDzb

https://forums.serebii.net/threads/ways-to-call-lufthansa-customer-service-by-phone-number-chat-and-email-a-comprehensive-guide.782569/

https://www.vevioz.com/read-blog/329580_how-do-i-contact-sage-100-customer-support.html