https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5322383

https://thetolkien.forum/threads/southwest-airlines-phone-support-3-simplest-ways-to-talk-to-an-actual-person.35013/

https://support.google.com/analytics/thread/353140279/instant-fix-why-your-%E2%84%82oinbase-transaction-is-still-pending

https://thetolkien.forum/threads/20-five-ways-to-speak-someone-at-american-airlines-a-step-by-step-guide.35015/

https://www.wattpad.com/1553839859-coinbase-account-frozen-here%27s-what-you-should-do

https://audiokarma.org/forums/index.php?threads/how-to-contact-to-a-live-agent-at-air-canada-airlines-representative-call-for-iimmediate-support.1088972/

https://thetolkien.forum/threads/8-fast-ways-to-contact-a-delta-airlines-agent-without-the-wait.35014/

https://thetolkien.forum/threads/20-five-ways-to-speak-to-human-at-american-airlines-a-step-by-step-guide.35011/

https://thetolkien.forum/threads/10-ways-to-contact-how-can-i-talk-to-someone-at-carnival-cruise-r-a-step-by-step-guide.35012/

https://audiokarma.org/forums/index.php?threads/how-to-connect-to-a-live-agent-at-air-canada-airlines-representative-call-for-iimmediate-support.1088970/